Michael Caroll Books

Mannheim unter der Diktatur 1933-1939

By Jorg Schadt, Thomas Fiedler, Birgit Arnold, Michael Caroll, Stadtarchiv Mannheim

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Mannheim im Zweiten Weltkrieg 1939-1945

By Jorg Schadt, Klaus Dagenbach, Barbara Becker, Michael Caroll, Stadtarchiv Mannheim, Elke Benz

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Envisioning Exoplanets

By Michael Caroll

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Come along for the captivating hunt for planets like our ownEnvisioning Exoplanets traces the journey of astronomers and researchers on their quest to explore the universe for a planet like Earth....

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.