Jonathan Kellerman Books

Gone

By Jonathan Kellerman

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Bones

By Jonathan Kellerman

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When human bones are found scattered throughout L.A., detective Milo Strugis and psychologist Alex Delaware team up to track a ruthless and bizarre killer.

The Murder Book

By Jonathan Kellerman

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Obsession Jonathan Kellerman

By Jonathan Kellerman

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Time Bomb Alex Delaware Novels

By Jonathan Kellerman

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Gone

By Jonathan Kellerman

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Evidence

By Jonathan Kellerman, John Rubinstein

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Mystery

By Jonathan Kellerman

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Victims

By Jonathan Kellerman

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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.