Jeff-Somers Books

MECH

By Tim Marquitz, Melanie Meadors

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Eglise Electrique

By Jeffrey Somers

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Life Is Short and Then You Die

By Kelley Armstrong

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Urban enemies

By Kelley Armstrong

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"Villains have all the fun--everyone knows that--and this anthology takes you on a wild ride through the dark side! The top villains from seventeen urban fantasy series get their own stories--inclu...

Endstation Chaos

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Digital Plague

By Jeff Somers

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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.