Jonathan Kellerman Books

Time to Murder and Create Matthew Scudder

By Lawrence Block

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Blood Test

By Jonathan Kellerman

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Survival of the Fittest

By Jonathan Kellerman

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The Murderer s Daughter

By Jonathan Kellerman, Kathe Mazur

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A serial novel featuring contributions by twenty-five masters of suspense follows detective Jon Nunn as he re-opens a ten-year-old case to discover if the wrong person was convicted and put to deat...

The Golem of Hollywood

By Jonathan Kellerman

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The legend of the Golem of Prague has endured through the ages: a creature fashioned by a sixteenth-century rabbi to protect his congregation, now lying dormant in the garret of a synagogue. But th...

Therapy Alex Delaware Novels

By Jonathan Kellerman

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Twisted

By Jonathan Kellerman

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Double Homicide

By Jonathan Kellerman, Faye 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.