Spectrum

Amazing animals, rare plants, and promising new medicines are found deep in rain forests around the world. EXPLORE! Rain Forests invites readers into this f...

Amazing animals, rare plants, and promising new medicines are found deep in rain forests around the world. EXPLORE! Rain Forests invites readers into this f...

Medieval castles were the settings for royal feasts and epic battles. MIGHTY! Castles takes readers inside these ancient fortresses and explains how they pr...

GRADES 6–8/AGES 11–14: The Spectrum Algebra for Grades 6–8 Workbook eases the challenge of middle school by helping your child ramp up their algebra ...

The Spectrum® Critical Thinking for Math Workbook for third grade features 128 pages of grade-specific activities to help students think critically while ...

The Spectrum® Critical Thinking for Math Workbook for eighth grade features 128 pages of grade-specific activities to help students think critically while...

Spectrum Let’s Learn to Cut builds fine motor skills and teaches basic skills through fun cutting and pasting activities. This hands-on workbook offers...

Our proven Spectrum Math grade 3 workbook features 192 pages of drills and practice in math fundamentals. Recently updated to current national math and t...

Spectrum Vocabulary makes word analysis and vocabulary building easier than ever! The lessons, perfect for students in grade 6, strengthen phonics skills by...

This brand new version of the popular Spectrum Test Prep series offers children the preparation they need to achieve success on standardized tests. With co...