Matthias Seidel Books

Ägypten - seit Jahrtausenden fasziniert das Land am Nil seine Besucher. Erst im 19. Jahrhundert lieferte die Entzifferung der Hieroglyphenschrift den Schlüssel zu einer vergessenen Welt ...

Art and Architecture

By Regine Schulz, Matthias Seidel

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Egypt

By Regine Schulz, Matthias Seidel

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Maya

By Eva Eggebrecht, Nikolai Grube, Matthias Seidel

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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.