John Howard Weeks Books

Inland Empire

By John Howard Weeks

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Mojave Desert

By John Howard Weeks

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The healthiest people on earth

By John Howard Weeks

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"In The Healthiest People on Earth, Weeks shares the secrets of how anyone, anywhere, can create a "Blue Zone" of their own and live a longer, healthier life. A lively read full of exclusive family...

Dream Weavers

By John Howard Weeks

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Inland Empire

By John Howard Weeks

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San Bernardino Bicentennial 1810 2010

By John Howard Weeks

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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.