Williams Derek Books

Time to live

By Williams Derek

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The reach of Rome a history of the Roman imperial frontier 1st-5th centuries AD

By Williams Derek

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Romans and Barbarians

By Williams Derek

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From 27 B.C. to A.D. 117, the Roman dreams of boundless empire began to falter. Romans and Barbarians sees the clash of cultures from the standpoint of four individuals whose curious fate it was t...

Not once but twice

By Williams Derek

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New concise Bible dictionary

By Williams Derek, Derek Williams

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Compiled in a straightforward A-Z format for easy searching.

One in a million

By Williams Derek

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About people

By Williams Derek

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Discovering

By Williams Derek

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New concise Bible dictionary

By Williams Derek

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Compiled in a straightforward A-Z format for easy searching.

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.