David Childs Books

German Democratic Republic: Moscow's German Ally

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German Democratic Republic: Moscow's German Ally

By David Childs

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Germany in the Twentieth Century

By David Childs

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Marx and the Marxists : An outline of practice and theory

By David Childs

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This wide-ranging book covers politics and the economy; education, foreign policy and defence; housing and living standards; immigration and racism; law and order; the media; the remarkable resilie...

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.