Richard D. Mahoney Books

J.F.K.: Ordeal in Africa

By Richard D. Mahoney

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The Kennedy Brothers

By Richard D. Mahoney

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Sons & brothers

By Richard D. Mahoney

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"Books about the Kennedys are legion. Yet missing until now has been an exploration of a crucial element: the bond between Jack and Bobby and the part it played in their rise and fall."--BOOK JACKE...

Sons and Brothers

By Richard D. Mahoney

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Getting away with murder

By Richard D. Mahoney

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Profiles John Walker Lindh, the American accused of fighting for the Taliban in Afghanistan, and his connection to the murder of CIA agent Mike Spann during an uprising at the Qala-e Janghi fortress.

The Kennedy Brothers

By Richard D. Mahoney

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Petalos Poemas Biligual Edition

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Colombia

By Richard D. Mahoney

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Colombia

By Richard D. Mahoney

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Kennedy Brothers

By Richard D. Mahoney

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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.