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Parents and teachers agree, Spectrum® sets the mark for students’ learning enhancement year after year. Spectrum is a leading workbook for children needing help to improve their skills in the core subjects of Language Arts, Math, Social Studies, and Science—and it even features materials for test prep and practice. For more than 20 years, Spectrum’s instructional methods have helped kids improve and build confidence, and the series is trusted by educators and parents alike. See how it can work for your students, today!