Jonna Mendez Books

Spy by night

By Suzanne Francis

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Spy Dust

By Antonio J. Mendez, Jonna Mendez, Antonio Mendez, Bruce Henderson

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"Reviewed and released by the CIA, opening a window on the true-life world of espionage - the elusive identities, the sophisticated gadgetry, the triple-think strategies - Spy Dust reveals more abo...

Spy Dust

By Jonna Mendez, Antonio Mendez, Bruce Henderson

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The Moscow Rules

By Antonio J. Mendez, Jonna Mendez

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The Moscow Rules

By Antonio J. Mendez, Jonna Mendez, Antonio Mendez

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Spy Dust

By Jonna Mendez, Antonio Mendez, Bruce Henderson

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In True Face

By Jonna Mendez

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In True Face

By Jonna Mendez

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Moscow Rules

By Antonio J. Mendez, Jonna Mendez

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Moscow Rules

By Antonio Mendez

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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.