Jennifer C. Ward Books

English Noblewomen in the Later Middle Ages The Medieval World

By Jennifer C. Ward

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English noblewomen in the later Middle Ages

By Jennifer C. Ward

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The Essex Gentry and the County Community in the Fourteenth Century

By Jennifer C. Ward

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Elizabeth de Burgh Lady of Clare 1295 1360

By Jennifer C. Ward, Bailey Mark

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Noble widows were powerful figures in the later Middle Ages, running their own estates and exercising considerable influence. Elizabeth de Burgh (1295-1360), daughter of one of the most powerful ea...

Brentwood

By Jennifer C. Ward

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The fighting Essex soldier

By Neil Wiffen, Christopher Thornton, Jennifer C. Ward

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English Noblewomen in the Later Middle Ages

By Jennifer C. Ward

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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.