Jonathan Kellerman Books

The Golem of Paris

By Jesse Kellerman Jonathan Kellerman

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The Golem of Hollywood

By Kellerman Jonathan Kellerman Jesse

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Heartbreak Hotel

By Jonathan Kellerman

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At nearly one hundred years old, Thalia Mars is a far cry from the patients child psychologist Alex Delaware normally treats. But the charming, witty woman convinces Alex to meet with her in a suit...

The web

By Jonathan Kellerman

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The butcher's theater

By Jonathan Kellerman

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Silent partner

By Jonathan Kellerman

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Double Homicide

By Jonathan Kellerman, John Rubinstein, Lou Diamond Phillips, Faye Kellerman

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Double Homicide

By Jonathan Kellerman, John Rubinstein, Lou Diamond Phillips, Faye Kellerman

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The Golem Of Hollywood Thorndike Press Large Print Basic

By Jonathan Kellerman, Jesse 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.