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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.
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Think-et Green Think-et Red
Think-et Green
Our Price: $9.99
Think-et Red
Our Price: $9.99
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.
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.
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.
Think-et Sports Collection Think-et Fairy Collection Teaching Technology
Teaching Technology
Our Price: $19.99
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.
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.
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.
The Basics of Critical Thinking Learning on Purpose Balance Math™ & More Level 2
Learning on Purpose
List Price: $24.99
Our Price: $14.99
You save $10.00!
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.
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.
Grade(s): 4-12+
Activities: 38
Pages: 48, reproducible

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.
Balance Math™ Teaches Algebra Word Roots A1 software Word Roots Level 1
Word Roots A1 Software
List Price: $20.99
Our Price: $12.50
You save $8.49!
Word Roots Level 1
Our Price: $24.99
Grade(s): 4-12+
Activities: 38
Pages: 48

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.
Grade(s): 5-12+
Activities: 30

Learn Latin and Greek prefixes, suffixes and root words for improved vocabulary. Software allows children to work independently on vocabulary development inspired by the challenge of rebuilding an ancient Roman City.
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.
Daily Mind Builders Daily Mind Builders Daily Mind Builders Science
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.
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.
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.
Self Scoring IQ Tests The Book of IQ Tests Maximize Your IQ
Self-Scoring IQ Tests
Our Price: $5.95
The Book of IQ Tests
Our Price: $5.95
Maximize Your IQ
Our Price: $6.95
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.
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.
Grade(s): middle school and up
Pages: 96 (small paperback size 5 3/8 x 8 1/4)

Ranging from the challenging to the downright diabolical, these IQ tests from the puzzle editors of Mensa Magazine stretch brainpower to the limits of its endurance. That’s why they’re so effective at adding vital points to your IQ score. Contains eight tests each with 40 questions.
Mystery of the Clockwork Sparrow Mystery of the Jeweled Moth Balance Math™ & More Level 3
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.
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.
Grade(s): 6-12+
Activities: 38
Pages: 48

Sharpen your child's critical thinking skills, computational skills, and develop algebraic reasoning.
World History Detective, Book 1 Grade 7-8 Book Bundle Building Thinking Skills Level 3 Figural
2017 Gr 7-8 Book Bundle (Critical Thinking Company)
Publisher Price $334.84
Our Price: $301.36
You save $33.48!
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.
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. 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.
Building Thinking Skills Level 3 Verbal Building Thinking Skills Level 3 Verbal  Instructor Book on cd Building Thinking Skills 3 Figural Instructor
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.
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.
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.
Mind Benders: Book 5 Mind Benders: Book 6 Mind Benders: C3
Mind Benders Book 5
Our Price: $10.99
Mind Benders Book 6
Our Price: $12.99
Mind Benders C3
Publisher Price $9.99
Our Price: $6.99
You save $3.00!
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.
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.
Grade(s): 7-12+
Activities: 14
Pages: 28

Deductive reasoning puzzles teach children logic and improve reading comprehension and test scores.
Mind Benders Book 7 Mind Benders Book 8 Algebra I Word Problems
Mind Benders Book 7
Our Price: $12.99
Mind Benders Book 8
Our Price: $12.99
Algebra I Word Problems
Our Price: $29.99
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.
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.
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.
Algebra Test Prep and Review Scratch Your Brain Geometry Scratch Your Brain Algebra
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.
Grade(s): 8-12
Activities: 132
Pages: 136

Scratch Your Brain® contains a variety of engaging, often humorous activities, puzzles, patterns, sequences, writing multi-step solutions, and more. It also encourages brainstorming and teaches students there is usually more than one way to solve a problem. Activities are sequenced by difficulty throughout each chapter to allow students to gradually build their skills.
Grade(s): 7-12
Activities: 132
Pages: 134

Scratch Your Brain® activities develop your child's math and problem-solving skills. These fun activities boost competence, confidence, and test scores while helping students make the transition to higher level mathematics.
Balance Benders Level 3 Word Roots Level 3 Word Roots Level 4
Balance Benders Level 3
Our Price: $9.99
Word Roots Level 3
Our Price: $24.99
Word Roots Level 4
Our Price: $24.99
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.
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.
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.
Word Roots B1 Word Roots B2 Red Herrings Mysteries Level 2
Word Roots B1
Our Price: $16.99
Word Roots B2
Our Price: $16.99
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.
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.
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.
You Decide!, Student You Decide! Teacher U.S. History Detective® Book 1
You Decide! Student
Our Price: $26.99
You Decide! Teacher
Our Price: $16.99
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.
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.
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.
U.S. History Detective Book 2 GATE Test Prep Bundle for Grade 8-9 Quick Thinks Math C1
GATE Test Prep Bundle for Grades 8-9
Publisher Price $104.34
Our Price: $92.99
You save $11.35!
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.
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. 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.
Phoenix Files Arrival (Phoenix Files 1) Contact (Phoenix Files 2)
Phoenix Files Collection
Our Price: $36.99
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.
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.
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.
Mutation (Phoenix Files 3) Underground (Phoenix Files 4) 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.
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.
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.
Doomsday (Phoenix Files 6) Sword of Kuromori (KC #1) Shield of Kuromori (KC #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.
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.

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.

Visual Mind Benders C1 Creative Thinking Puzzlers C1 Grade 9-12 Book Bundle
2015 Gr 9-12 Book Bundle (Critical Thinking Company)
Publisher Price $237.89
Our Price: $214.10
You save $23.79!
Grade(s): 10-12+
Activities: 27
Pages: 30

Visual Mind Benders® tests and improves students' trial-and-error and deductive reasoning as they determine final solutions to these intriguing puzzles.
Grade(s): 9-12+
Activities: 40
Pages: 46

Creative Thinking Puzzlers helps students become fluent, flexible problem solvers who can generate different solutions and different ways to find solutions. Students start with given criteria, determine possible solutions, evaluate them, then eliminate possibilities before determining a final solution. Includes seven engaging verbal and visual skills categories.
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.
   
 
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