Richard DiLallo Books

The Midwife Murders

By Richard DiLallo, Sophie Amoss

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Alex Cross s trial

By James Patterson

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Detective Alex Cross tells the story of an ancestor, Abraham Cross, and his experiences with lawyer Ben Corbett, recounting one man's pursuit of justice in the face of the resurgence of Ku Klux Kla...

The Ninth Month

By James Patterson, Richard DiLallo, Anna Caputo

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The Paris Detective

By James Patterson, Richard DiLallo, Jean Brassard

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Store Free Preview the First 5 Chapters

By Richard DiLallo

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Christmas Mystery

By James Patterson, Richard DiLallo

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Alex Cross s trial

By James Patterson

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Alex Cross s Trial

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Midwife Murders

By James Patterson, Richard DiLallo

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Midwife Murders

By Richard DiLallo

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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.