Michal Welles Books

Manson and Me

By Michal Welles, Derek Peters

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Charles Manson - Meine Letzten Worte: Ausgezeichnet Von Michal Welles

By Michal Welles, Bruno, Anthony

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Charles Manson - Meine Letzten Worte: Grausame Innenansichten

By Michal Welles, Bruno, Anthony

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Diese Nachricht schockierte die ganze Welt: Die hochschwangere Schauspielerin Sharon Tate und vier ihrer Freunde wurden in der Nacht vom 8. auf den 9. August 1969 grausam ermordet. Die Täter wurden...

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.