Derry Koralek Books

When engaged in social studies, with guidance and encouragement from adults, children develop awareness of self and family and become active participants in the larger community. In this collection...

Spotlight On Young Children And Families

By Derry Koralek, Derry Gosselin Koralek

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Family involvement is critical to the success of young children in early learning environments and beyond. Families come in many forms, reflecting varied ethnicities, cultures, belief systems, and...

Spotlight on infants and toddlers

By Derry Gosselin Koralek, Linda Groves Gillespie

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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.