Jonathan Kellerman Books

Double Homicide

By Jonathan Kellerman, Faye Kellerman

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Silent Partner: The Graphic Novel

By Jonathan Kellerman

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The first graphic novel adaptation from master of psychological suspense Jonathan Kellerman brings a stunning new visual edge to the classic New York Times bestseller Silent Partner—a “harrowing ta...

When the Bough Breaks

By Jonathan Kellerman

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Blood Test

By Jonathan Kellerman

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Blood Test

By Jonathan Kellerman

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Golem of Paris

By Jonathan Kellerman, Jesse Kellerman

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The Wedding Guest

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NEW YORK TIMES BESTSELLER • Psychologist Alex Delaware and detective Milo Sturgis unravel a shocking crime at a raucous wedding reception in this gripping psychological thriller from the bestsellin...

The Wedding Guest

By Jonathan Kellerman

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The Museum of Desire

By Jonathan Kellerman

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NEW YORK TIMES BESTSELLER • Psychologist Alex Delaware and detective Milo Sturgis struggle to make sense of a seemingly inexplicable massacre in this electrifying psychological thriller from the #1...

Serpentine

By Jonathan Kellerman

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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.