Mary Whitby Books

Byzantines and Crusaders in Non-Greek Sources, 1025-1204

By Mary Whitby

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Chronicon Paschale 284 628 Liverpool University Press Translated Texts for Historians

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Chalcedon in context

By Mary Whitby, Price Richard

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This collection of essays has its origin in a conference held at Oxford in 2006 to mark the publication of the first English edition of the Acts of Chalcedon. Its aim is to place Chalcedon in a bro...

Melanges James Howard Johnston

By Mary Whitby, Phil Booth

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The Propaganda of Power

By Bernhard Felmberg

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The thirteen essays presented here shed new light on the role of panegyric in the western and eastern Roman Empire in the late antique world. The core of the volume deals with prose and verse paneg...

Chalcedon in Context

By Mary Whitby, Richard Price

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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.