You are here:Home > High School
The age and grade levels provided in the product descriptions below are from the publishers. These are based on national standards for typically developing children. If you've got a highly capable child you'll know to take these with a grain of salt.

The titles are sorted by approximate difficulty level with the easiest titles appearing first.

If you're interested in seeing our entire product range you'll see a product index link at the bottom of each page. This lists our entire range in alphabetical order. You can also browse by publisher in our Learning by Publisher or by Subject or Skill taught in the Interest Section in the vertical navigation bar to the left.
Sort By:
1 2
Gift Certificate

Give the gift of thinking with a Think Tonight Gift Certificate. Choose from electronic or physical delivery.

Your gift certificate will contain a unique code which the recipient can apply towards the cost of any future online purchase at Think Tonight.

Think-et Blue Think-et Blue

Age: 8 and up (due to small size of pieces)

A portable set of trinkets with ideas as to how to use them to build creativity, memory, analytical thinking and more while having fun.Take 15 tiny treasures from all over the world and use them 10 different ways, including for hilarious storytelling, mind-bending memory games and even a challenging strategy game. Think-ets is ideal for home, restaurants, waiting rooms or pool-sides.

Our Price: $9.99
Think-et Green Think-et Green

Age: 8 and up (due to small size of pieces)

A portable set of trinkets with ideas as to how to use them to build creativity, memory, analytical thinking and more while having fun. Six different sets of trinkets are available.

Our Price: $9.99
Think-et Red Think-et Red

Age: 8 and up (due to small size of pieces)

A portable set of trinkets with ideas as to how to use them to build creativity, memory, analytical thinking and more while having fun. Take 15 tiny treasures from all over the world and use them 10 different ways, including for hilarious storytelling, mind-bending memory games and even a challenging strategy game. Think-ets is ideal for home, restaurants, waiting rooms or pool-sides.

Our Price: $9.99
Think-et Sports Collection Think-et Sports Collection

Age: 8 and up (due to small size of pieces)

A portable set of trinkets with a sports theme with ideas as to how to use them to build creativity, memory, analytical thinking and more while having fun.Take 15 tiny treasures from all over the world and use them 10 different ways, including for hilarious storytelling, mind-bending memory games and even a challenging strategy game. Think-ets is ideal for home, restaurants, waiting rooms or pool-sides.

Our Price: $9.99
Think-et Fairy Collection Think-et Fairy Collection

Age: 8 and up (due to small size of pieces)

A portable set of trinkets with a fairy theme with ideas as to how to use them to build creativity, memory, analytical thinking and more while having fun.Take 15 tiny treasures from all over the world and use them 10 different ways, including for hilarious storytelling, mind-bending memory games and even a challenging strategy game. Think-ets is ideal for home, restaurants, waiting rooms or pool-sides.

Our Price: $9.99
Teaching Technology Teaching Technology

Grade(s): 3-12+
Pages: 74

A fun, highly effective method for teaching Internet research skills and presentation technology to students. The book provides easy-to-follow, step-by-step guidance for the teacher/parent and student, and includes online access to instructional materials for classroom demonstration. Students love the activities because they get to create a dynamic presentation on a topic that interests them.

Our Price: $19.99
The Basics of Critical Thinking The Basics of Critical Thinking

Grade(s): 4-9
Pages: 152, color

Many workbooks claim to teach or develop critical thinking skills, but most of these products never define critical thinking or try to teach the meaning to students. This book defines and teaches critical thinking in a way all students can understand through simple explanations, diagrams, and short, engaging activities. In addition to being a course in critical thinking, the activities in this book can be used to supplement lessons in all subjects.

Our Price: $24.99
Learning on Purpose Learning on Purpose

Grade(s): 7-12+
Activities: 172
Pages: 320

The Learning on Purpose step-by-step approach helps students take control of their own learning. Your child will learn to evaluate his/her learning strengths and goals, prioritize and maximize study time, identify and solve study problems, improve comprehension, and apply effective test-taking strategies.

List Price: $24.99
Our Price: $14.99
You save $10.00!
Balance Math™ & More Level 2 Balance Math & More Level 2

Grade(s): 4-12+
Activities: 38
Pages: 48, reproducible

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.

Our Price: $9.99
Balance Math™ Teaches Algebra Balance Math Teaches Algebra

Grade(s): 4-12+
Activities: 38
Pages: 48

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.

Our Price: $14.99
Word Roots Level 1 Word Roots Level 1

Grade(s): 5-12+
Pages: 240

Learn Latin and Greek prefixes, suffixes and root words for improved vocabulary. The book contains reproducible worksheets with activities for practice, reinforcement, and comprehension for each root introduced. Answers included.

Our Price: $24.99
Daily Mind Builders Daily Mind Builders: Language Arts

Grade(s): 5-12+
Pages: 112

Short, fun daily activity pages for home or school with a Language Arts focus. Develops inferential reasoning, deductive thinking, synthesizing disparate information and other important skills.

Our Price: $15.99
Daily Mind Builders Daily Mind Builders: Social Studies

Grade(s): 5-12+
Pages: 127

Short, fun daily activity pages for home or school with a Social Studies focus. Develops inferential reasoning, deductive thinking, synthesizing disparate information and other important skills.

Our Price: $15.99
Daily Mind Builders Science Daily Mind Builders: Science

Grade(s): 5-12+
Pages: 144

Short, fun daily activity pages for home or school with a Science focus. Develops inferential reasoning, deductive thinking, synthesizing disparate information and other important skills.

Our Price: $15.99
Self Scoring IQ Tests Self-Scoring IQ Tests

Grade(s): middle school and up
Pages: 31

The best approximation of IQ that is available without going to a professional examiner. Contains two comprehensive tests, similar to the elaborate standardized ones administered by professional psychologists like the WISC and Stanford-Binet, perfectly designed to measure your cognitive skills, reasoning abilities, quick-learning capability, and problem-solving proficiency.

Our Price: $5.95
The Book of IQ Tests The Book of IQ Tests

Grade(s): middle school and up
Pages: 192 color (51/2" x 6 3/4")

The aim of the 25 tests in this book is to give your brain a thorough mental workout and allow you to familiarize yourself with the various types of questions you are likely to encounter when taking a supervised test. Each test has 40 questions in a variety of areas. The book is smaller than a typical paperback with color pages making it portable and appealing.

Our Price: $5.95
What's Your IQ? What's Your IQ?

Grade(s): middle school and up
Pages: 48 (8.5x11 inches)

300 self-scoring exercises from one of the world's most-renowned creators of mind-bending conundrums organized into 5 tests.

Our Price: $4.95
Mystery of the Clockwork Sparrow Mystery of the Clockwork Sparrow

Age(s): 10-14 years

Recently orphaned Sophie Taylor, now a shopgirl at London's newly opened Sinclair's department store, finds herself implicated in the theft of the priceless clockwork sparrow in this Edwardian mystery adventure.

Our Price: $6.99
Mystery of the Jeweled Moth Mystery of the Jeweled Moth

Age(s): 10-14 years

Once again our heroines, Sophie and Lil are on the case, donning cunning disguises and mingling in high society, leading them straight to London's most dangerous criminal mastermind.

Our Price: $6.99
Balance Math™ & More Level 3 Balance Math & More Level 3

Grade(s): 6-12+
Activities: 38
Pages: 48

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.

Our Price: $9.99
World History Detective, Book 1 World History Detective, Book 1

Grade(s): 6-7
Pages: 368, perforated

Suitable for use as as a standards-based, stand-alone textbook, a resource of supplemental activities to enrich another textbook, or as a review course for older students. Students begin by analyzing a lesson. Next, they apply critical thinking skills to answer multiple choice and short essay questions. Finally, students support their answers by identifying evidence learned from the lesson.

Our Price: $34.99
Grade 7-8 Book Bundle 2017 Gr 7-8 Book Bundle (Critical Thinking Company)

The Critical Thinking Company publishes award winning products to help students of all abilities improve their critical thinking abilities and achieve higher test scores. This collection contains their most popular Grade 7-8 titles and is offered at a 10% discount.

Publisher Price $304.86
Our Price: $273.95
You save $30.91!
Building Thinking Skills Level 3 Figural Building Thinking Skills Level 3 Figural

Grade(s): 7-12+
Activities: 259
Pages: 280

Building Thinking Skills® provides highly effective nonverbal reasoning activities to improve vocabulary, reading, writing, math, logic, and figural-spatial skills, as well as visual and auditory processing. This exceptional skill set provides a solid foundation for academic excellence and success on any assessment test.

Our Price: $29.99
Building Thinking Skills Level 3 Verbal Building Thinking Skills Level 3 Verbal

Grade(s): 7-12+
Activities: 350
Pages: 384

Building Thinking Skills® provides highly effective verbal reasoning activities to improve vocabulary, reading, writing, math, logic, and figural-spatial skills, as well as visual and auditory processing. This exceptional skill set provides a solid foundation for academic excellence and success on any assessment test.

Our Price: $29.99
Building Thinking Skills Level 3 Verbal  Instructor Book on cd Building Thinking Skills Level 3 Verbal Instructor Book on cd

Grade(s): 7-12

Instructor/Solution Guide to accompany Building Thinking Skills Level 3 Verbal. Includes objectives, answers, and focus questions that reinforce analytical skills as students think through concepts. This is a pdf file on cd.

Our Price: $19.99
Building Thinking Skills 3 Figural Instructor Building Thinking Skills Level 3 Figural Instructor Book on cd

Grade(s): 7-12

Instructor/Solution Guide to accompany Building Thinking Skills Level 3 Figural. Includes objectives, answers, and focus questions that reinforce analytical skills as students think through concepts. This is a pdf file on cd.

Our Price: $19.99
Mind Benders: Book 5 Mind Benders Book 5

Grade(s): 7-12+
Activities: 26
Pages: 40

Mind Benders®, our best-selling deductive thinking puzzles, develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They're also great for developing real-life, problem-solving skills.

Our Price: $10.99
Mind Benders: Book 6 Mind Benders Book 6

Grade(s): 7-12+
Activities: 26
Pages: 40

Mind Benders®, our best-selling deductive thinking puzzles, develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They're also great for developing real-life, problem-solving skills.

Our Price: $12.99
Mind Benders: C3 Mind Benders C3

Grade(s): 7-12+
Activities: 14
Pages: 28

Deductive reasoning puzzles teach children logic and improve reading comprehension and test scores.

Publisher Price $9.99
Our Price: $9.99
Clearance Price $4.99
You save $5.00!
Mind Benders Book 7 Mind Benders Book 7

Grade(s): 7-12+
Activities: 26
Pages: 40

Mind Benders®, our best-selling deductive thinking puzzles, develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They're also great for developing real-life, problem-solving skills.

Our Price: $12.99
Mind Benders Book 8 Mind Benders Book 8

Grade(s): 7-12+
Activities: 26
Pages: 40

Mind Benders®, our best-selling deductive thinking puzzles, develop logic, reading comprehension, and mental organizational skills that are vital to achieving high grades and top test scores in all subjects. They're also great for developing real-life, problem-solving skills.

Our Price: $12.99
Algebra I Word Problems Algebra I Word Problems

Grade(s): 7-12+
Activities: 490
Pages: 264

Algebra Word Problems uses process skills and the gradual introduction of more challenging concepts to give students the confidence and ability to master algebra word problems.

Our Price: $29.99
Algebra Test Prep and Review Algebra Test Prep and Review

Grade(s): 7-12+
Pages: 304, perforated, color, reproducible

Algebra Test Prep and Review provides students with a clear, easy-to-understand, step-by-step review of Algebra I & II. It can be used to supplement an algebra textbook or as a study guide for students taking standardized tests covering algebra. Students learn helpful procedures and strategies for solving algebra word problems using real-world application examples.

Our Price: $27.99
Algebra I & II Key Concepts, Practice, and Quizzes Algebra I & II Key Concepts, Practice, and Quizzes

Grade(s): 7-12+
Pages: 304, perforated, color, reproducible

Algebra Test Prep and Review provides students with a clear, easy-to-understand, step-by-step review of Algebra I & II. It can be used to supplement an algebra textbook or as a study guide for students taking standardized tests covering algebra. Students learn helpful procedures and strategies for solving algebra word problems using real-world application examples.

Our Price: $27.99
Balance Benders Level 3 Balance Benders Level 3

Grade(s): 8-12+
Activities: 39
Pages: 48

Children develop deductive thinking and pre-algebra skills as they solve balance puzzles. Children must analyze each balance to identify the clues, and then synthesize the information to solve the puzzle.

Our Price: $9.99
Word Roots Level 3 Word Roots Level 3

Grade(s): 7-12+
Pages: 288

Learn Latin and Greek prefixes, suffixes and root words for improved vocabulary. The book contains reproducible worksheets with activities for practice, reinforcement, and comprehension for each root introduced. Answers included.

Our Price: $24.99
Word Roots Level 4 Word Roots Level 4

Grade(s): 7-12+
Pages: 336, perforated

Learn Latin and Greek prefixes, suffixes and root words for improved vocabulary. The book contains reproducible worksheets with activities for practice, reinforcement, and comprehension for each root introduced. Answers included.

Our Price: $24.99
Word Roots B1 Word Roots B1

Grade(s): 7-12+
Activities:72
Pages: 101

Word Roots teaches students the meanings of Latin prefixes, roots, and suffixes commonly used in English. Learning word elements dramatically improves spelling and the ability to decode unfamiliar words. The book contains reproducible worksheets with activities for practice, reinforcement, and comprehension for each root introduced. Answers included.

Our Price: $16.99
Word Roots B2 Word Roots B2

Grade(s): 7-12+
Activities: 82
Pages: 125, perforated

Word Roots teaches students the meanings of Latin prefixes, roots, and suffixes commonly used in English. Learning word elements dramatically improves spelling and the ability to decode unfamiliar words. The book contains reproducible worksheets with activities for practice, reinforcement, and comprehension for each root introduced. Answers included.

Our Price: $16.99
Red Herrings Mysteries Level 2 Red Herring Mysteries Level 2

Grade(s): 7-12+
Activities: 64
Pages: 69

Develops students' inferential and deductive thinking skills for more effective reading, listening, and logical thinking. The activities also encourage creative brainstorming and flexible thinking.

Our Price: $14.99
You Decide!, Student You Decide! Student

Grade(s): 6-12+
Activities: 37
Pages: 144

With You Decide! court is in session. The honorable “judges,” your students, will be asked to decide cases based on the first eight Amendments to the Constitution. Students will sharpen their critical thinking skills and their legal and historical knowledge as they analyze the amendments, discover their origins, and rule on actual cases presented before the U.S. Supreme Court.

Our Price: $26.99
You Decide! Teacher You Decide! Teacher

Grade(s): 6-12+
Activities: 37

Casts students in the role of judge to rule on 75 actual U.S. Supreme Court cases!

This Instruction/Answer Guide includes objectives, suggestions, a graphic organizer to keep track of facts in each case, and the Supreme Court decisions. Because the student book does not contain the court decisions, use of the Guide is essential.

Our Price: $16.99
U.S. History Detective® Book 1 U.S. History Detective? Book 1

Grade(s): 8-12
Pages: 336, color

U.S. History Detective® can be used as a stand-alone textbook, a resource of supplemental activities to enrich another textbook, or as a review course for older students. Its point of differentiation is that it integrates critical thinking into the content lessons.

Our Price: $39.99
U.S. History Detective Book 2 U.S. History Detective? Book 2

Grade(s): 8-12
Pages: 336, color

U.S. History Detective® can be used as a stand-alone textbook, a resource of supplemental activities to enrich another textbook, or as a review course for older students. Its point of differentiation is that it integrates critical thinking into the content lessons.

Our Price: $39.99
GATE Test Prep Bundle for Grade 8-9 GATE Test Prep Bundle for Grades 8-9

The GATE Test Prep Bundle for Grade 8-9 contains our top picks to use in preparation for Gifted and Talented testing of your highly capable child. This is also a great selection for all round enrichment. Skills covered include Verbal Reasoning, Non-Verbal Reasoning, Quantitative Reasoning, Logic, and Test Taking.

Publisher Price $104.34
Our Price: $92.99
You save $11.35!
Quick Thinks Math C1 Quick Thinks Math C1 (Dr Funster's)

Grade(s): 8-10
Activities: 105
Pages: 44

Quick Thinks Math develops students' basic math skills and their ability to compute, estimate, create tables and charts, explain their answer processes orally and in writing, and feel confident when faced with new math problems. Includes multiplication, division, fractions, and decimals.

Our Price: $3.99
Phoenix Files Phoenix Files Collection

Age : 14+
Pages: 6 books each with about 30 pages

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $49.95
Arrival (Phoenix Files 1) Arrival (Phoenix Files 1)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Contact (Phoenix Files 2) Contact (Phoenix Files 2)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Mutation (Phoenix Files 3) Mutation (Phoenix Files 3)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Underground (Phoenix Files 4) Underground (Phoenix Files 4)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Fallout (Phoenix Files 5) Fallout (Phoenix Files 5)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Doomsday (Phoenix Files 6) Doomsday (Phoenix Files 6)

Age : 14+
Pages: 304

This electrifying, six-volume, alternating-narrator serial catapults the reader into a creepy, locked-down desert town, built by an all-powerful corporation whose plans threaten the future of the rest of the world.

Our Price: $6.99
Sword of Kuromori (KC #1) Sword of Kuromori (Kumori Chronicles Book 1)

Age(s): 14+
Pages: 336

Ancient monsters bite off more than they can chew in this action-packed fantasy-adventure trilogy set in modern-day Japan.

Our Price: $6.99
Shield of Kuromori (KC #2) Shield of Kuromori (Kuromori Chronicles Book 2)

Age(s): 14+
Pages: 352

Ancient monsters bite off more than they can chew in this action-packed fantasy-adventure trilogy set in modern-day Japan.

Our Price: $6.99
Grade 9-12 Book Bundle Gr 9-12 Book Bundle (Critical Thinking Company)

The Critical Thinking Company publishes award winning products to help students of all abilities improve their critical thinking abilities and achieve higher test scores. This collection contains their most popular Grade 9-12 titles and is offered at a 10% discount.

Publisher Price $237.89
Our Price: $214.10
You save $23.79!
Cornell Critical Thinking Test Level Z

Grade(s): 10-12+

Cornell sets the standard for all critical thinking tests. Classroom set of 10 Level Z test booklets and answer sheets. Administration manual sold separately.

Our Price: $29.99
NNAT® Prep Bundle for Grade 10 NNAT Prep Bundle for Gifted Children in Grade 10-12

Collection of titles to prepare your student in Grades 10-12 for the Naglieri Nonverbal Abilities Test® (NNAT®)

List Price: $45.99
Our Price: $41.39
You save $4.60!
GATE Test Prep Bundle for Grades 10-12 GATE Test Prep Bundle for Grades 10-12

The GATE Test Prep Bundle for Grade 10-12 contains our top picks to use in preparation for Gifted and Talented testing of your highly capable child. This is also a great selection for all round enrichment. Skills covered include Verbal Reasoning, Non-Verbal Reasoning, Quantitative Reasoning, Logic, and Test Taking.

Publisher Price $105.30
Our Price: $94.99
You save $10.31!
   
 
1 2