Krista Ruepp Books

Horses in the Fog North South Paperback

By K. Ruepp, U. Heyne

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Midnight Rider North South Paperback

By K. Ruepp, U. Heyne

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Keine Angst Islandpony

By Ulrike Heyne, Krista Ruepp

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Kann Anna das Vertrauen ihres Ponys zurückgewinnen? Anna lebt auf einem Bauernhof in Island. Eines Tages legt sie ihrem Islandpony Prins einen Halfter um und führt ihn spazieren. Zum Reiten ist er...

Troisième épisode d'Emmanuelle dite Manu. Elle fait la connaissance de Frédéric, un garçon de son âge, nouvellement arrivé sur l'île. Lui et son poney sont mal à l'aise dans leur nouvel environneme...

Laura und der Fackelritt

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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.