Thomas F. Madden Books

Col. H Cruzadas

By Thomas F. Madden

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Cruzadas

By Thomas F. Madden

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Venice

By Thomas F. Madden

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A spellbinding new portrait of one of the world’s most beloved cities, from the author of IstanbulLa Serenissima. Its breathtaking architecture, art, and opera ensure that Venice remains a perennia...

Istanbul

By Thomas F. Madden

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One of Time’s 12 Books for the History Buffs on Your Holiday Gift List The first single-volume history of Istanbul in decades: a biography of the city at the center of civilizations past and prese...

Empires of Trust

By Thomas F. Madden

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An acclaimed historian offers an optimistic view of the future of the United States in the light of Roman history Maybe the end of the American ascendancy is not upon us. Maybe the U.S. will contin...

Crusades

By Thomas F. Madden

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Venice

By Thomas F. Madden

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Overview: An extraordinary chronicle of Venice, its people, and its grandeur. Thomas Madden's majestic, sprawling history of Venice is the first full portrait of the city in English in almost thirt...

Enrico Dandolo and the Rise of Venice

By Thomas F. Madden

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Concise History of the Crusades

By Thomas F. Madden

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Crusades Medieval Worlds in Conflict

By James L. Naus, Vincent Ryan, Thomas F. Madden

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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.