Spectrum Books

Spectrum Hands-on First Grade Math Workbook―Dry Erase Addition, Subtraction, Place Value, Graphs, Geometry Activities with Dry-Erase Pen and Cut-Out Math Manipulatives
Spectrum Hands-on Kindergarten Math Workbook―Dry Erase Counting, Addition, Subtraction, Place Value, Geometry Activities with Dry-Erase Pen and Cut-Out Math Manipulatives
Dagboek van Een Weddingplanner
The Recipe Guide
Dagboek van Een Weddingplanner
Spectrum Grade 1 Critical Thinking for Math Workbook—State Standards for 1st Grade Addition and Subtraction with Answer Key for Homeschool or Classroom
Spectrum Grade 7 Critical Thinking for Math Workbook—State Standards for 7th Grade Algebra, Integers, Geometry with Answer Key for Homeschool or Classroom
Spectrum Grade 4 Critical Thinking for Math Workbook—Multiplying and Dividing, Fractions and Decimals, Measurement Conversions, Geometry, Classroom or Homeschool Curriculum
Spectrum - Addition, Grade K
Telling Time, Grade 1

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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