Nancy E. Krulik Books

Doug s Big Comeback

By Nancy E. Krulik

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Horsing Around

By Nancy E. Krulik

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Horsing Around

By Nancy E. Krulik

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Horsing Around 30

By Wendy, Nancy Krulik Illustrated By John

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Becky is taking riding lessons at the Cherrydale Stables. That's not news to Katie or her friends: In fact, they are sick of hearing about horses and sick of hearing Becky brag about what a great r...

Bad Rap

By Nancy E. Krulik

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Write On

By Nancy E. Krulik

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My Pops Is Tops

By Nancy E. Krulik

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Any Way You Slice It

By Nancy E. Krulik

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Karate Katie

By Nancy E. Krulik

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No Bones About It

By Nancy E. Krulik

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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.