Norman Green Books

Street-savvy Alessandra Martillo and brainy Sarah Waters, who are running private investigator Marty Stiles' agency while he recovers from a paralyzing gunshot wound, take on the job on helping Sar...

The Angel of Montague Street

By Norman Green

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Shooting Dr. Jack

By Norman Green

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Way Past Legal

By Norman Green

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Way Past Legal: A Novel

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Way Past Legal

By Norman Green

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Dead Cat Bounce

By Norman Green

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Shooting Dr. Jack

By Norman Green

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The Angel of Montague Street: A Novel

By Norman Green

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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.