Anthony Barrett Books

CALIGULA

By Barrett Anthony

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Caligula: The Corruption of Power

By Barrett Anthony

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Agrippina: Sex, Power, and Politics in the Early Empire

By Barrett Anthony

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Agrippina the Younger attained a level of power in first-century Rome unprecedented for a woman. According to ancient sources, she achieved her success by plotting against her brother, the emperor...

Agrippina: Sex, Power, and Politics in the Early Empire

By Barrett Anthony

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Livia: First Lady of Imperial Rome

By Barrett Anthony

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"Livia (58 B.C. - A.D. 29) - wife of the first Roman emperor, Augustus, and mother of the second, Tiberius - wielded power at the center of Roman politics for most of her long life. Livia has been...

Livia: First Lady of Imperial Rome

By Barrett Anthony

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English-Turkana Dictionary

By A. Barrett, Barrett Anthony

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Turkana-English Dictionary

By A Barrett, Anthony J. Barrett, Barrett Anthony

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Caligula

By Barrett Anthony, Anthony Barrett

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Caligula

By Barrett Anthony

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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.