Karen Hesse Books

The Young Hans Christian Andersen

By Karen Hesse

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Lester's dog

By Karen Hesse

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A boy overcomes his fear of Lester's fierce dog when he has to protect an abandoned kitten.

Lester's dog

By Karen Hesse

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A boy overcomes his fear of Lester's fierce dog when he has to protect an abandoned kitten.

Dear America A light in the Storm

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Come On, Rain!

By Karen Hesse

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A young girl eagerly awaits a coming rainstorm to bring relief from the oppressive summer heat.

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.