Frederic Martel Books

Global Gay: How Gay Culture Is Changing the World

By Frederic Martel

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Global Gay

By Frederic Martel

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A panoramic view of gay rights, gay life, and the gay experience around the world.In Global Gay, Frédéric Martel visits more than fifty countries and documents a revolution underway around the worl...

Le rose et le noir

By Frederic Martel

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La Longue Marche des gays

By Frederic Martel

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De la culture en Amerique

By Frederic Martel

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Smart Ces internets qui nous rendent intelligents

By Frederic Martel

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Theater

By Frederic Martel

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Sodom

By Frederic Martel

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Sodoma

By Frederic Martel, Maria Pons, Juan Vivanco

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Cultura Mainstream. Como nacen los fenomenos de masas

By Frederic Martel

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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.