Silke Leffler Books

Weihnachten ganz wunderbar. Ein literarischer Adventskalender

By Britta Groiss, Silke Leffler, Gudrun Likar

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Wir Zwei Erinnerungsalbum

By Gerlinde Wermeier Kemper, Silke Leffler

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Tengo un pequeno problema, dijo el oso

By Heinz Janisch

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Problems arise for a fashion-forward bear who just can't find the right clothes to suit his personal style and flare, but a simple solution is finally found when he realizes that he is most comfort...

Peter Pan

By J. M. Barrie, Silke Leffler

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Flowers of Friendship 2008 Calendar

By Silke Leffler

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Emma in Buttonland

By Connie Stradling Morby, Ulrike Rylance, Silke Leffler

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Emma in Buttonland

By Ulrike Rylance, Silke Leffler

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Freunde lasst man nicht im Stich. Ab 4 J. .

By Sigrid Laube, Silke Leffler

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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.