Hanna Jansen Books

Roman témoignage Jeanne vit au pays des mille collines, le Rwanda. Elle grandit choyée par ses parents. Insouciante. C'est le temps des chamailleries avec Jando, son frère, et Teya, sa petite sœur...

J'irai avec toi par mille collines

By Hanna Jansen

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Irgendwo ist mehr

By Viola Rohner, Gilles Reckinger, Jens Soentgen, Arne Rautenberg, Jurg Schubiger, Meja Mwangi, Brigitte Schar, Ernesto Cardenal, Harriet Grundmann, Hanna Jansen, Tendai Huchu, Werner Petermann

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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.