Christophe Bottigheimer Books

Remaining Challenges For The 2nd Vatican Council For The 21st Century

By Christophe Bottigheimer, Christoph Bottigheimer, Rene Dausner, Rene Dousner, Konzil "Eröffnen" (Conference)

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This book looks at the outcome of the Second Vatican Council 50 years after its conclusion. The main question that the book answers is, "what can we learn from this epochal assembly today and for t...

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.