Spectrum Books

Subtraction, Grade 2
Lowercase Letters, Grades PK - K
Telling Time, Grade 1
Spectrum Numbers and Counting Workbook―PreK-K Math Practice Writing Numbers 0-20, Comparing Numbers of Objects, Counting to 100, Classroom or Homeschool Curriculum
Long Vowels, Grade 1
Spectrum Understanding Fractions, Grade 3
Spectrum Reading for Main Ideas and Details in Informational Text, Grade 3
Spectrum Reading for Theme and Details in Literature, Grade 5
Spectrum Language Arts and Math, Grade 3
Spectrum Language Arts and Math, Grade 5

Related Articles from our Blog

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books-whether as a publisher, librarian, bookseller, or avid collector-you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

Read the EAN and ISBN guide
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