Jonathan Kellerman Books

Twisted

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NEW YORK TIMES BESTSELLER With her energies focused on a baffling, vicious gang slaying and her personal life in shambles, Hollywood homicide detective Petra Connor has a full plate. The last thi...

Breakdown

By Jonathan Kellerman

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NEW YORK TIMES BESTSELLER • Jonathan Kellerman has been universally hailed as the master of psychological suspense, and the blockbuster new thriller featuring Alex Delaware and Milo Sturgis confirm...

Heartbreak Hotel

By Jonathan Kellerman

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"Alex Delaware and Milo Sturgis investigate the death of Alex's most mysterious patient to date in the sensational new thriller from the master of suspense, #1 New York Times bestselling author Jon...

Night Moves

By Jonathan Kellerman

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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...

The Web: The Graphic Novel

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The acclaimed bestselling author and king of psychological suspense gets a whole new chance to thrill, as Jonathan Kellerman’s The Web makes its graphic novel debut. After a narrow escape from hi...

Monster (Graphic Novel)

By Ande Parks, Michael Gaydos, Jonathan Kellerman

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A labyrinth of secrets, revenge, sex, and manipulation come to life in this graphic novel adaptation of a “surprising and complex story of evil” (People) by #1 New York Times bestselling author Jon...

Obsession

By Jonathan Kellerman

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#1 WASHINGTON POST BESTSELLER • “Jonathan Kellerman’s novels are an obsession; once started it is hard to quit.”—Orlando Sentinel Tanya Bigelow was a solemn little girl when Dr. Alex Delaware succ...

The murderer s daughter

By Jonathan Kellerman

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"From the #1 New York Times bestselling creator of the acclaimed Alex Delaware series comes a tour de force standalone novel that illustrates perfectly why "Jonathan Kellerman has justly earned his...

Monster

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Alex Delaware is back! And in Jonathan Kellerman's riveting and ingenious new novel, Monster, he faces one of the most grisly and baffling mysteries of his career: How can a nonfunctional psychotic...

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.