Top Selling Products
Below is a list of our most popular series titles listed by subject. Each title comes highly recommended by our customers, and we guarantee that you and your child will benefit from them as well.
Critical Thinking
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Building Thinking Skills® (Grades Toddler-12+)
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Mind Benders® (Grades PreK-12+)
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The Basics of Critical Thinking (Grades 4-9)
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Red Herring Mysteries (Grades 4-12+)
- Can You Find Me? Books • Riddle Rabbit™ Software (Grades PreK-1)
- Visual Perceptual Skill Building® (Grades PreK-3)
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Dr. Funster's (Grades 2-12+)
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Thinker Doodles (Grades PreK-1)
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Practical Critical Thinking (Grades 9-12+)
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Thinking Skills & Key Concepts (Grades K-2)
Language Arts
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Word Roots (Grades 3-12+)
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Reading Detective® (Grades 3-12+)
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The Language Mechanic (Grades 4-7)
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Writing Detective® (Grades 3-6)
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Language Smarts™ (Grades 1-4)
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Editor in Chief® (Grades 2-12+)
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Think Analogies® Books • ThinkAnalogy™ Puzzles Software (Grades 3-12+)
- Dr. DooRiddles & Spelling DooRiddles (Grades PreK-12+)
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Sentence Diagramming (Grades 3-12+)
- Critical Thinking Activities to Improve Writing Skills (Grades 4-12+)
Mathematics
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Mathematical Reasoning™ (Grades Toddler-9)
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Balance Math™ & More! (Grades 2-12+)
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Math Analogies (Grades K-9)
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Math Detective® (Grades 3-8)
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Pattern Explorer (Grades 5-9)
- Brain Stretchers (Grades 5-12+)
- Mind Building Math (Grades K-1)
- Scratch Your Brain® (Grades 2-12+)
- Math Word Problems (Grades 4-10)
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Algebra Word Problems (Grades 7-12+)
Science
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Science Detective® (Grades 3-6)
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Developing Critical Thinking through Science (Grades 1-8)
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Snailopolis (Grades K-4)
- Sciencewise (Grades 4-12+)
Social Studies
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World History Detective® (Grades 6-12+)
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U.S. History Detective® (Grades 8-12+)
- You Decide! (Grades 6-12+)
- Critical Thinking in United States History (Grades 6-12+)
Key to symbols:
- Award Winner
- Award Winner
