Karen Evans Books

Math

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Includes the most important elements of the fifth grade math curriculum and the skills that support the goals and objectives of this grade. Skills include: estimating, percents, math operations, me...

Math Basics

By Karen Evans

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Hard to Swallow

By Doris Sarjeant

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Becoming Adults in England and Germany

By Karen Evans, Walter R. Heinz

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Ghetto-building

By Karen Evans

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Masinahikan

By Evans Karen

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Multiplication and Division An I Know It Book

By Martha Palmer, Louanne Winkler

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Reconnection

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TRADEC 1

By Karen Evans

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Tradec

By Karen Evans

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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.