Jonathan Kellerman Books

Heartbreak Hotel

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#1 NEW YORK TIMES BESTSELLER • Alex Delaware and LAPD detective Milo Sturgis investigate the death of Alex’s most mysterious patient to date in the sensational new thriller from the master of suspe...

Night moves

By Jonathan Kellerman

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"Even with all his years of experience, LAPD homicide detective Milo Sturgis knows there are crimes his skill and savvy cannot solve alone. That's when he calls on brilliant psychologist Alex Delaw...

Night Moves

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NEW YORK TIMES BESTSELLER • The master of the psychological thriller makes all the right moves in this new novel of spellbinding suspense. Even with all his years of experience, LAPD homicide detec...

Blood test

By Jonathan Kellerman

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Over the Edge Alex Delaware

By Jonathan Kellerman

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The Butcher s Theatre

By Jonathan Kellerman

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Silent partner

By Jonathan Kellerman

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Time bomb.

By Jonathan Kellerman

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Time Bomb

By Jonathan Kellerman

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Billy Straight Jonathan Kellerman

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.