Hubert Wolf Books

Ekklesiologische Alternativen

By Hubert Wolf, Bernward Schmidt

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The Nuns of Sant'Ambrogio

By Hubert Wolf

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A Washington Post Notable BookIn 1858, a German princess, recently inducted into the convent of Sant’Ambrogio in Rome, wrote a frantic letter to her cousin, a confidant of the Pope, claiming...

Nationalpark Gesause

By Josef Hasitschka, Hubert Wolf

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Die katholische Kirche und Gewalt

By Hubert Wolf, Silke Hensel

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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.