Martha Farrell Erickson Books

Infants Toddlers and Families

By Karen Kurz Riemer, Karen Marie Kurz Riemer, Martha Farrell Erickson

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Infants Toddlers and Families

By Karen Kurz Riemer, Karen Marie Kurz Riemer, Martha Farrell Erickson

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"The first three years of life play a crucial role in setting the stage for later adjustment and success. For children with disabilities, children at risk, and even for healthy infants and toddlers...

Children s Rights in Education

By Cynthia Price Cohen, Malfrid Grude Flekkoy, Stuart Hart, Martha Farrell Erickson

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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.