Tess Gerritsen Books

The surgeon

By Tess Gerritsen

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The apprentice

By Tess Gerritsen

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The sinner

By Tess Gerritsen

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Not even the icy temperatures of a typical New England winter can match the bone-chilling scene of carnage discovered in the early morning hours at the chapel of Our Lady of Divine Light. Within th...

The Sinner

By Tess Gerritsen

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Body Double

By Tess Gerritsen

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Vanish

By Tess Gerritsen

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Vanish

By Tess Gerritsen

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The Mephisto Club

By Tess Gerritsen

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Keeping the dead

By Tess Gerritsen

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She's Pilgrim Hospital's most unusual patient, and on this Saturday night, a media circus is gathered to record every minute of her visit to the X-ray department. Crammed into the small CT scan roo...

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.