Tess Gerritsen Books

Harvest

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A woman surgeon and a detective team up to investigate a racket in body transplants. The ring abducts political refugees and cuts out their organs for sale to the rich. The stakes rise as the docto...

Harvest

By Tess Gerritsen

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Life Support

By Tess Gerritsen

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Island conquest

By Brooke Hastings, Brook Hastings

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Life Support

By Tess Gerritsen

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BLOODSTREAM

By Tess Gerritsen

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Roter Engel

By Tess Gerritsen

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Totengrund

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Peggy Sue Got Murdered

By Tess Gerritsen

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Call After Midnight

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.