Sabine Ludwig Books

The world s worst mothers

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When Bruno, Sophie and Emily hear about a competition to find the world's worst mother, they are all delighted to volunteer their annoying mothers. The mothers duly disappear and are replaced by id...

Wie lange noch

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Wie lange noch

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Painting Marlene

By Sabine Ludwig

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Alle lieben Urmel

By Annette Pehnt, Norbert Zahringer, Salah Naoura, Martina Wildner, Martina Baumbach, Heinz Janisch, Sabine Ludwig

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Ida und der freche Kater

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Ida und ihre neue Freundin

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Das grosse Vorlesebuch fur Kindergarten Kinder

By Margit Auer, Christian Tielmann, Sabine Ludwig, Luise Holthausen

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Hier kommt Frieda

By Sabine Ludwig

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Die Nacht in der Mr Singh verschwand

By Sabine Ludwig

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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.