Maria Von Wedemeyer Books

Love Letters from Cell 92: Dietrich Bonhoeffer, Maria von Wedemeyer, 1943-45

By Dietrich Bonhoeffer, Maria Von Wedemeyer, Ruth Alice Von Bismarck, John Brownjohn

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Love Letters From Cell 92

By Dietrich Bonhoeffer, Ruth Alice Von Bismarck, Maria Von Wedemeyer, Ulrich Itz

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Dietrich Bonhoeffer and Maria von Wedemeyer came from urbane, highly educated families. By 1933, when Hitler came to power, Bonhoeffer had earned his doctorate, traveled widely, served a church in...

Cartas de Amor Desde La Prision

By Dietrich Bonhoeffer, Maria Von Wedemeyer

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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.