Jonathan Kellerman Books

Guilt

By Jonathan Kellerman

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Guilt

By Jonathan Kellerman

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Gone Library Edition Alex Delaware Novels

By Jonathan Kellerman

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Deception

By Jonathan Kellerman

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Homicide detective Milo Sturgis and psychologist Alex Delaware probe the hallowed halls of Windsor Prep Academy, one of L.A.'s most prestigious prep schools, searching for the killers of a murdered...

Monster Doubleday Direct LARGE PRINT Series

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Flesh And Blood An Alex Delaware Novel

By Jonathan Kellerman

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The Murder Book Large Print Edition An Alex Delaware Novel

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Therapy

By Jonathan Kellerman

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When a series of murders are connected with a shadowy psychology practice, Alex Delaware and Milo Sturgis must immerse themselves in a world of manipulation and unethical "therapeutic" practices. D...

Double Homicide Boston

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Gone

By Jonathan Kellerman

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"The abduction of two art students turns out to have been faked, but the murder that follows is very real"--Library journal.

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.