Geoff Williams Books

Mnemonica For Everybody

By Geoff Williams

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C.C. Pyle s Amazing Foot Race

By Geoff Williams

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Washed away

By Geoffrey Williams

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In this book the author tells the story of a flood of near biblical proportions; its destruction, its heroes and victims, and how it shaped America's natural disaster policies for the next century....

Washed away

By Geoffrey Williams

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Facility manager s guide to information technology

By Geoff Williams, Michael May

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An Absurdly Short History of Exeter

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Patients patience

By Geoff Williams

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The Facility Manager s Guide to Information Technology

By Geoff Williams, Michael May

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Eigo kyoshi no tame no kino bunpo nyumon

By Geoffrey Williams

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Test Your Own Aptitude

By Jim Barrett, Geoff Williams, James Barrett

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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.