Mark Williams Books

Cry of Pain

By J. Mark G. Williams, Mark Williams

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Fiery Shapes: Celestial Portents and Astrology in Ireland and Wales, 700-1700

By Mark Williams

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The presentation of the magical and mantic in Celtic literature has persistently been dogged by misunderstanding and over-romanticized readings. Among the misconceptions about the ancient and medie...

Sunken Treasure: Story of Roland Morris and the Scilly Islands Wrecks

By Mark Williams

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Virgin Gde to London

By Mark Williams

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Skill Acquisition in Sport

By Mark Williams

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Skill Acquisition in Sport

By Mark Williams

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Handbook of Soccer Match Analysis

By Christopher Carling, Mark Williams, Tom Reilly

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The Psychology of Religious Knowing

By Mark Williams, Fraser Watts

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Competition Policy and Law in China Hong Kong and Taiwan

By Mark Williams

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Ireland s Immortals

By Mark Williams

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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.