Jonathan Kellerman Books

Double Homicide

By Jonathan Kellerman, Faye Kellerman

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The golem of Paris

By Jonathan Kellerman

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It's been more than a year since Los Angeles Police Department (LAPD) detective Jacob Lev learned the remarkable truth about his family, and he's not coping well. He's back to drinking, he's not ta...

Guilt

By Jonathan Kellerman

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Victims

By Jonathan Kellerman

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Not since Jack the Ripper terrorized the London slums has there been such a gruesome crime scene. By all accounts, acid-tongued Vita Berlin hadn't a friend in the world, but whom did she cross so b...

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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Diagnosis Dead

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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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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.