Nancy K. Wallace Books

Wolves of Llise: Grim Tidings 2

By Nancy K. Wallace

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Hair today gone tomorrow

By Nancy K. Wallace

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Pricked pinkies

By Nancy K. Wallace

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Explains what is needed to put on a play, and provides the script for an adaptation of a fairy tale in which Princess Elizabeth is cursed by the evil Fairy Esmeralda with a modification by Fairy Li...

The princedom of pea

By Nancy K. Wallace

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Explains what is needed to put on a play, and provides the script for an adaptation of a fairy tale in which Queen Patricia invites all the princesses whose names begin with "P" to the palace to fi...

The princess and the frog

By Nancy K. Wallace

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The princedom of pea

By Nancy K. Wallace

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Ghosts and gummy worms

By Nancy K. Wallace

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Celebrate Halloween with a play! What's the best thing about Halloween? Will and Kyrsten would say candy. But James and Emma would say getting scared! Just in time for the spooky holiday, the old M...

Pickles and parks

By Nancy K. Wallace

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Celebrate Earth Day with a play! Mrs. Moreno's class came up with great Earth Day projects. They focused on local foods, natural ingredients, recycling, upcyclcling, and tree planting. But it isn't...

Among Wolves

By Nancy K. Wallace

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Before Winter

By Nancy K. Wallace

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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.