Udo Weigelt Books

Bu shi wo

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Mouse learns about the dangers of jumping to conclusions when he and Ferret prematurely accuse Raven of stealing Ferret's raspberries.

Super Guinea Pig to the Rescue

By Udo Weigelt

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Ich wars nicht.

By Udo Weigelt, Julia Gukova

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Après avoir entendu ses copains raconter le plaisir qu'ils ont eu à célébrer Noël, Petit Ours confie à sa maman qu'il aimerait bien participer à la fête l'an prochain. Or, elle lui répond que l'hib...

Luna y el Panda Rojo

By Udo Weigelt

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Luna y el Panda Rojo un Paseo Magico

By Udo Weigelt

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Luna y el Panda Rojo en el Colegio

By Udo Weigelt

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Who Stole the Gold?

By Udo Weigelt

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When he discovers that his treasure is missing, Hamster asks each of his animal friends if they took it, until he learns what happened.

Who stole the gold?

By Udo Weigelt

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When he discovers that his treasure is missing, Hamster asks each of his animal friends if they took it, until he learns what happened.

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.