Nancy E. Krulik Books

I heard a rumor

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Sixth graders Jenny McAfee and Addie Wilson have very different personalities but they team up in an effort to make their class dance a success.

Floppy Friends go to camp

By Nancy E. Krulik

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Floppy friends go to school

By Nancy E. Krulik

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All About Me 2000

By Nancy E. Krulik

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Tommy s Last Stand

By Nancy E. Krulik

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When Tommy's parents decide the family needs to move to a bigger house, Tommy and his friends formulate plans to keep the Pickles' home from being sold.

Cat s big night

By Nancy E. Krulik

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Two stories and two covers are better than one. After reading Cat's story, flip over the book and read Dog's story. In Cat's story, Cat makes a proud appearance at a high society event at the museu...

Home is where the heart is

By Nancy E. Krulik

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"Scott, Clint, Bob, and Dave are the brothers who rock out on CD, video, and in concert. Now the musical Moffatts star in their own amazing book series, about their adventures as they travel from t...

Double play

By E. J. Maxwell

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All for one and one for all

By Nancy E. Krulik

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Angelica the Grape Rugrats 7

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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.