David Swinson Books

The second girl

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Frank Marr knows crime in Washington, DC. A decorated former police detective, he retired early and now ekes a living as a private eye for a defense attorney. Frank Marr may be the best investigato...

Crime Song

By David Swinson

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Trigger

By David Swinson

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City on the Edge

By David Swinson

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Crime Song Lib E

By Christopher Ryan Grant, David Swinson

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La fille de Kenyon Street

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Le chant du crime Cal Levy R. Pepin French Edition

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Second Girl

By David Swinson

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Second Girl

By David Swinson

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Crime Song

By David Swinson

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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.