Tess Gerritsen Books

Keeper of the Bride

By Tess Gerritsen

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Under the Knife

By Tess Gerritsen

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Never Say Die

By Tess Gerritsen

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Whistleblower

By Tess Gerritsen

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The man emerged from the mist, right in front of Cathy Weaver's car. He was running from killers who were closing in on him. Cathy had no choice - either pick him up or he dies. Victor Holland's st...

Thief of Hearts

By Tess Gerritsen

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The Sinner

By Tess Gerritsen, Dennis Boutsikaris

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Body Double

By Tess Gerritsen

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The Sinner

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Vanish

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The Mephisto Club

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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.