Cathryn J. Prince Books

Burn the Town and Sack the Banks

By Cathryn J. Prince

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Burn the Town and Sack the Banks

By Cathryn J. Prince

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Shot from the Sky

By Cathryn J. Prince

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American daredevil

By Cathryn J. Prince

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With a polished walking stick and neatly pressed trousers, Richard Halliburton served as an intrepid globetrotting guide for millions of Americans in the 1920s and '30s. Readers waited with bated b...

Queen of the Mountaineers

By Cathryn J. Prince

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Death in the Baltic: The World War II Sinking of the Wilhelm Gustloff

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Draws on survivor interviews and newly declassified records to offer insight into the sinking of the World War II refugee ship that killed over nine thousand people, an incident that was covered up...

Death in the Baltic

By Cathryn J. Prince

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Death in the Baltic

By Cathryn J. Prince

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Shot from the Sky

By Cathryn J. Prince

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Prince presents the complete story behind Swiss claims of neutrality, where they applied international law in an unfair manner. They detained and in some cases punished American airmen while allowi...

Extraordinary Life of Richard Halliburton the World s First Celebrity Travel Writer

By Cathryn J. Prince, Catherine J. Prince

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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.