Daniel Ogden Books

Drakon: Dragon Myth and Serpent Cult in the Greek and Roman Worlds

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"Drakon: Dragon Myth and Serpent Cult in the Greek and Roman Wolrds is the first substantial survey to be focally devoted to the "dragon" or the supernatural serpent, the drakon or draco, in Greek...

Dragons, Serpents, and Slayers in the Classical and Early Christian Worlds: A Sourcebook

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Philip II and Alexander the Great: Father and Son, Lives and Afterlives

By Elizabeth Donnelly Carney

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Osiris

By Bojana Mojsov

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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.