Chris Wormell Books

Zwei Frsche ein Stock und ein Hund

By Chris Wormell

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Der kleine Bar und die sechs weissen Mause

By Chris Wormell

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Der kleine Bar und die sechs weissen Mause

By Chris Wormell

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Zwei Frosche ein Stock und ein Hund

By Christopher Wormell

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Auch im See lebt es sich nicht ungefährlich: Zwei Frösche sitzen auf einem Seerosenblatt. Der eine hat einen Stock dabei. "Warum?", will der andere wissen. "Für unsere Rettung, wenn Feinde auftauch...

Molly und die Ungeheuer der Nacht

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Der Wald der wilden Tiere

By Chris Wormell

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Dinosaurium

By Chris Wormell, Lily Murray

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Dinosaurium

By Miguel Ros Gonzalez, Chris Wormell, Lily Murray

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Dinosaurium

By Chris Wormell, Lily Murray

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PLANETARIUM

By Raman Prinja, Chris Wormell, Eduardo Moga Bayona

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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.