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200+ Award-Winning Textbooks & Activity Books!
Reading, Writing, Math, Science, Social Studies
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Algebra I & II Gr. 7-12+
Algebra Magic Tricks Gr. 2-12+
Algebra Word Problems Gr. 7-12+
Balance Benders Gr. 2-12+
Balance Math & More! Gr. 2-12+
Basics of Critical Thinking Gr. 4-9
Bloom's Taxonomy Question Writer Gr. 3-12+
Brain Stretchers Gr. 5-12+
Building Thinking Skills Gr. Toddler-12+
Building Writing Skills Gr. 3-7
Bundles (Books) Gr. Toddler-12+
Can You Find Me? Gr. PreK-1
Complete the Picture Math Gr. 1-3
Cornell Critical Thinking Tests Gr. 5-12+
Cranium Crackers Gr. 3-12+
Creative Problem Solving Gr. PreK-2
Critical Thinking Activities to Improve Writing Gr. 4-12+
Critical Thinking Coloring Gr. PreK-2
Critical Thinking Detective Gr. 3-12+
Critical Thinking for Reading Comprehension Gr. 1-5
Critical Thinking in United States History Gr. 6-12+
CrossNumber Math Puzzles Gr. 4-10
Crypt-O-Words Gr. 2-7
Crypto Mind Benders Gr. 3-12+
Daily Mind Builders Gr. 5-12+
Dare to Compare Math Gr. 2-7
Developing Critical Thinking through Science Gr. 1-8
Dr. DooRiddles Gr. PreK-12+
Dr. Funster's Gr. 2-12+
Editor in Chief Gr. 2-12+
Fun-Time Phonics! Gr. PreK-2
Half 'n Half Animals Gr. K-4
Hands-On Thinking Skills Gr. K-1
Inference Jones Gr. 1-6
James Madison Gr. 8-12+
Jumbles Gr. 3-5
Language Mechanic Gr. 4-7
Language Smarts Gr. 1-4
Letter Sounds Song and Game Gr. PreK-1
Mastering Logic & Math Problem Solving Gr. 6-9
Math Analogies Gr. K-9
Math Detective Gr. 3-8
Math Games Gr. 3-8
Math Mind Benders Gr. 5-12+
Math Ties Gr. 4-8
Math Word Problems Gr. 4-10
Mathematical Reasoning Gr. Toddler-11
Memory Challenge! Gr. K-12+
Middle School Science Gr. 6-8
Mind Benders Gr. PreK-12+
Mind Building Math Gr. K-1
Mind Building Reading Gr. K-1
Novel Thinking Gr. 3-6
OLSAT® Test Prep Gr. PreK-K
Organizing Thinking Gr. 2-8
Pattern Explorer Gr. 3-9
Practical Critical Thinking Gr. 9-12+
Punctuation Puzzler Gr. 3-8
Reading Detective Gr. 3-12+
Reading, Writing, and Arithmetic Before K Gr. Toddler-K
Red Herring Mysteries Gr. 4-12+
Red Herrings Science Mysteries Gr. 4-9
Riddle Rabbit Gr. PreK-1
Science Detective Gr. 3-6
Science Mind Benders Gr. PreK-3
Science Vocabulary Crossword Puzzles Gr. 4-6
Sciencewise Gr. 4-12+
Scratch Your Brain Gr. 2-12+
Senior Brain Health Program Gr. 12+
Sentence Diagramming Gr. 3-12+
Smart Abacus Gr. PreK-1
Smarty Pants Puzzles Gr. 3-12+
Snailopolis Gr. K-4
Something's Fishy at Lake Iwannafisha Gr. 5-9
Spider Island Gr. K-12+
Teaching Technology Gr. 3-12+
Tell Me a Story Gr. PreK-1
Think Analogies Gr. 3-12+
Think and Write Gr. 3-8
Think-A-Grams Gr. 4-12+
Thinking About Time Gr. 3-6
Thinking Connections Gr. 4-12+
Thinking Directionally Gr. 2-6
Thinking Skills & Key Concepts Gr. PreK-2
Thinking Skills for Tests Gr. PreK-5
U.S. History Detective Gr. 8-12+
Understanding Fractions Gr. 2-6
Visual Perceptual Skill Building Gr. PreK-3
Vocabulary Riddles Gr. 4-8
Vocabulary Smarts Gr. 2-5
Vocabulary Virtuoso Gr. 2-12+
Vowel Sounds Song and Game Gr. PreK-2
What Would You Do? Gr. 2-12+
Who Is This Kid? Colleges Want to Know! Gr. 9-12+
Word Explorer Gr. 6-8
Word Roots Gr. 3-12+
World History Detective Gr. 6-12+
Writing Detective Gr. 3-6
You Decide! Gr. 6-12+
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