Chris Wormell Books

George and the dragon

By Christopher Wormell

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George the mouse unintentionally rids the kingdom of a ferocious dragon.

The Magic Place

By Chris Wormell, Candida Gubbins

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The Magic Place

By Chris Wormell, Candida Gubbins

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Scruffy Bear and the Lost Ball

By Chris Wormell

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The magic place

By Christopher Wormell

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From her cellar bedroom, Clementine dreams of a magic place. And she's determined to find it one day. But first she must escape from her wicked aunt and uncle and from the Great Black City. With th...

The Magic Place

By Chris Wormell

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George and the Dragon

By Chris Wormell

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George The Dragon and the Princess

By Chris Wormell

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L enfant des cavernes

By Christopher Wormell

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Deux grenouilles

By Chris Wormell

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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.