Vera Muller Books

Roberta and me

By Jurgen Rieckhoff, Vera Muller, Sibylle Rieckhoff

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A little city girl thinks Roberta the sheep is a perfect pet - 'clever, lean and sociable'. But living in the city is a bit tricky for a sheep. Roberta learns the new ways of eating at a table and...

Zeichen aus dem Sand Streiflichter aus Agyptens Geschichte zu Ehren von Gunter Dreyer MENES STUDIEN ZUR KULTUR UND SPRACHE DER AEGYPTISCHEN FRUEHZEIT UND DES ALTEN REICHES

By Ulrich Hartung, Eva Maria Engel, Vera Muller

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Montag Dienstag Mittwoch Donnerstag Freitag Wandertag Sonntag Wandertagebuch

By Vera Muller

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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.