Heidrun E. Mader Books

Exploring Feelings

By Heidrun E. Mader, Ute E. Eisen, Melanie M. Peetz

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Exploring Feelings

By Heidrun E. Mader, Ute E. Eisen, Melanie M. Peetz

Average: 0.00, 0 Ratings

Montanism In The Roman World

By Peter Lampe, Heidrun E. Mader, Peter Lampe, Heidrun E. Mader

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The early Christian movement known as “Montanism” referred to itself as the “New Prophecy”. This collected volume, featuring contributions from the first-ever symposium on the New Prophecy, examine...

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.