Jack Casserly Books

Invisible Wounds

By Jack Casserly

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Hearsts

By Hearst William R. Jr., Jack Casserly

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Scripps, the divided dynasty

By Jack Casserly

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Once upon a time in Italy

By Jack Casserly

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Jack Casserly lived in Italy for seven years as Rome bureau chief of International News Service, Hearst News Service, and ABC News. In his topsy-turvy love affair with Italy, he reported many histo...

Hearsts

By William Randolph Hearst, Jack Casserly

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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.