Peter Seewald Books

Der deutsche Papst. Von Joseph Ratzinger zu Benedikt XVI

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Salt of the earth

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"Cardinal Joseph Ratzinger, well-known Vatican prelate and head of the Congregation for the Doctrine of the Faith, gives a full-length interview to a secular journalist on a host of controversial a...

God and the World

By Peter Seewald, Joseph Ratzinger

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Last Testament

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Wisdom from the Monastery

By Peter Sewald

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Pope Benedict XVI

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Benedikt XVI.

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Salz der Erde Christentum und katholische Kirche an der Jahrtausendwende

By Joseph Ratzinger

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Jesus Christus

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Ehegeschichten

By Peter Seewald

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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.