Jonathan Kellerman Books

When the Bough Breaks

By Jonathan Kellerman

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The Web

By Kellerman Jonathan

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Self Defence

By Jonathan Kellerman

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True detectives

By Jonathan Kellerman

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True detectives follows Moe Reed and Aaron Fox on the twisted trail of a missing girl, a dark, baffling whodunit that forces the brothers to put aside their mutual animus - and to confront the unre...

Evidence

By Jonathan Kellerman

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The Clinic

By Jonathan Kellerman

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Mystery

By Jonathan Kellerman

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Mystery

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...

Victims

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.