Patrick S. Tomlinson Books

Introducing a thrilling deep-space science fiction mystery series in the tradition of James S.A. Corey’s The Expanse When a geneticist goes missing aboard a generation ship, it’s up t...

Trident's Forge

By Patrick S. Tomlinson

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When humankind’s first contact with a strange alien species goes awry, detective and Ark hero Brian Benson is left to pick up the pieces Against all odds, the Ark and her thirty-thousand surv...

The Wererat s Tale III

By Patrick S Tomlinson

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Starship Repo

By Patrick S. Tomlinson

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In the Black

By Patrick S. Tomlinson

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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.