Nancy E. Krulik Books

Something's Fishy

By Nancy E. Krulik

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On Thin Ice

By Nancy E. Krulik

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Camp Rules!

By Nancy E. Krulik

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Lisa Lopes

By Nancy E. Krulik

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Something's Fishy 26

By Wendy, Nancy Krulik Illustrated By John

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The fourth grade is studying fish, and that means a trip to the Cherrydale Aquarium! Everything is going along just swimmingly until Ms. Sweet drops her brand-new engagement ring into the tank&#821...

Super Special On Thin Ice

By Wendy, Nancy Krulik Illustrated By John

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Katie’s On Thin Ice when an Olympic ice skater comes to town. When Katie turns into the skater during her performance, she really hits the ice—on her bottom, hard. Then when Katie figur...

Camp Rules!

By Wendy, Nancy Krulik Illustrated By John

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Katie is so excited for her two-week stay at sleepaway camp! Friends, activities, Color War, smores . . . and wild animals???? But Katie cant go anywhere without the magic wind followin...

She s Got the Beat

By Nancy E. Krulik

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Ripped at the Seams

By Nancy E. Krulik

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Love and Sk8

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.