Gerry Martin Books

Glass: A World History

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"Picture, if you can, a world without glass. There would be no microscopes or telescopes, no sciences of microbiology or astronomy. People with poor vision would grope in the shadows, and planes, c...

Law for social workers

By Hugh Brayne

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Law for social workers

By Hugh Brayne

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The Glass Bathyscaphe

By Gerry Martin, Alan Macfarlane

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The Glass Bathyscaphe

By Penny Tweedie, Alan Macfarlane

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La Historia Invisible

By Alan Macfarlane

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Glass Bathyscaphe

By Gerry Martin, Alan MacFarlane

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Class of 77 Had Its Dreams

By Gerry Martin

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Law for social workers

By Hugh Brayne

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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.