Christophe Picard Books

The First European: A History Of Alexander In The Age Of Empire

By Nicholas Elliott, Pierre Briant, Christophe Picard

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How Could I Allow My Soldiers To Sail On This Disloyal And Cruel Sea? These Words, Attributed To The Most Powerful Caliph Of Medieval Islam, Umar Ibn Al-khattab (634-644), Have Led To A Misundersta...

La Mer Et Les Musulmans D'Occident Au Moyen Age: Viiie-Xiiie Siècle

By Picard Christophe, Christophe Picard, Christophe Picard

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C'est en général sous le terme de que l'on présente l'activité maritime islamique dans l'Occident médiéval. Pourtant, maîtres des deux rives du Maghreb et de la péninsule Ibérique pendant six siècl...

Le monde musulman du XIe au XVe siecle

By Christophe Picard

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L'histoire du monde musulman entre le IXe et le XVe siècle est féconde et contrastée dans un monde immense qui s'étend du Gange au Tage. L'étude des principaux événements souligne la profonde mutat...

Moyen Age IVe-Xe siecle

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Byzance et ses peripheries

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Edad Media siglos IV X

By F Miranda Garcia, M Zimmermann, M Kaplan, C Picard

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Monde musulman du xie au xve siecle

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Un Moyen Age pour aujourd hui

By Claude Gauvard

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Umayyad legacies

By Antoine Borrut

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Umayyad Legacies

By Antoine Borrut, Paul M. Cobb

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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.