Nancy Poydar Books

Brave Santa

By Nancy Poydar

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At Christmas time at the mall, Jack, who is very shy, finds that Santa Claus is shy too.

When the Water Closes over My Head

By Donna Jo Napoli, Nancy Poydar

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In the Diner

By Nancy Poydar, Christine Loomis

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At the Library

By Nancy Poydar, Christine Loomis

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The Perfectly Horrible Halloween

By Nancy Poydar

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Violet has a great new backpack with wheels and zippers, but when the many pockets distract and cause her to misplace her homework she tells a lie to cover it up, so the teacher gives her an even h...

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.