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
- Mind Benders® (Grades PreK-12+)
- Building Thinking Skills® (Grades Toddler-12+)
- Balance Benders™ (Grades 2-12+)
- The Basics of Critical Thinking (Grades 4-9)
- Critical Thinking Detective™ (Grades PreK-2)
- Critical Thinking Coloring Books (Grades PreK-2)
- Red Herring Mysteries (Grades 4-12+)
- Can You Find Me? Books • Riddle Rabbit™ Software (Grades PreK-1)
- Visual Perceptual Skill Building® (Grades PreK-3)
- Dr. Funster's (Grades 2-12+)
- Practical Critical Thinking (Grades 9-12+)
- Thinking Skills & Key Concepts (Grades PreK-2)
- Creative Problem Solving (Grades PreK-2)
Language Arts
- Word Roots (Grades 3-12+)
- Reading Detective® (Grades 3-12+)
- Editor in Chief® (Grades 2-12+)
- Inference Jones (Grades 3-6)
- Writing Detective® (Grades 3-6)
- The Language Mechanic (Grades 4-7)
- Language Smarts™ (Grades 1-4)
- Think Analogies® Books • ThinkAnalogy™ Puzzles Software (Grades 3-12+)
- Sentence Diagramming (Grades 3-12+)
- Dr. DooRiddles & Spelling DooRiddles (Grades PreK-12+)
- Vocabulary Virtuoso (Grades 2-12+)
Mathematics
- Mathematical Reasoning™ (Grades Toddler-9)
- Balance Math™ & More! (Grades 2-12+)
- Math Analogies (Grades K-9)
- Math Detective® (Grades 3-8)
- Pattern Explorer (Grades 3-9)
- Crypto Mind Benders® (Grades 3-12+)
- Brain Stretchers (Grades 5-12+)
- Mind Building Math (Grades K-1)
- Dare to Compare: Math (Grades 4-7)
- Algebra Word Problems (Grades 7-12+)
- Scratch Your Brain® (Grades 2-12+)
Science
- Science Detective® (Grades 3-6)
- Developing Critical Thinking through Science (Grades 1-8)
- Snailopolis (Grades K-4)
- Sciencewise (Grades 4-12+)
Social Studies
- World History Detective® (Grades 6-12+)
- U.S. History Detective® (Grades 8-12+)
- You Decide! (Grades 6-12+)
- Critical Thinking in United States History (Grades 6-12+)