Michael Ledwidge Books

I Michael Bennett

By James Patterson, Michael Ledwidge

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Worst Case

By James Patterson, Michael Ledwidge

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Now You See Her

By James Patterson, Michael Ledwidge

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Worst case

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Investigating a kidnapper who is murdering the children of wealthy New York families, Detective Michael Bennett and FBI agent Emily Parker discover that the killer has hatched an elaborate plot to...

Step on a Crack

By Michael Ledwidge

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Watch the Skies

By James Patterson, Michael Ledwidge, Ned Rust

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Dangerous Days of Daniel X

By James Patterson, Michael Ledwidge

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Before the Devil Knows You re Dead

By Michael Ledwidge

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Before the Devil Knows You re Dead

By Michael Ledwidge

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Narrowback

By Michael Ledwidge

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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.