Tess Gerritsen Books

"Miranda Wood thinks she has seen the last of Richard Tremain, her rich and married ex-lover--until she discovers him stabbed to death in her bed. With her knife. Miranda is the obvious suspect, an...

Presumed Guilty Keeper Of The Bride

By Tess Gerritsen

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Harvest

By Tess Gerritsen

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Bloodstream

By Tess Gerritsen

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In their footsteps

By Tess Gerritsen

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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.