Franz Josef Tripp Books

Robbi Tobbi und das Fliewatuut.

By Boy Lornsen, Franz Josef Tripp

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En Jim Boto i en Lluc el maquinista

By Carme Serrallonga, Michael Ende, Franz Josef Tripp

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En Jim Botó i en Lluc el maquinista es veuen obligats, amb la locomotora Emma, a abandonar el país de Lummerland perquè no hi caben. El viatge els portarà al llunyà país de Mandala, on en Jim Botó...

Jim Boton e Lucas o maquinista

By Michael Ende, Franz Josef Tripp, Moises Barcia Rodriguez

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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.