Joseph Hansen Books

Bohannon's 10-copy counter siaplay

By Joseph Hansen

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Fadeout.

By Joseph Hansen

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Death claims.

By Joseph Hansen

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Fadeout: A Dave Brandstetter Mystery

By Joseph Hansen

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Fadeout is the first of Joseph Hansen's twelve classic mysteries featuring rugged Dave Brandstetter, an insurance investigator who is contentedly gay. When entertainer Fox Olson's car plunges off a...

Death Claims

By Joseph Hansen

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Zauberwahn

By Joseph Hansen

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Early Graves

By Joseph Hansen

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Obedience Dave Brandstetter Mystery

By Joseph Hansen

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A smile in his lifetime

By Joseph Hansen

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Job's year

By Joseph Hansen

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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.