Gemma Allen Books

The New Love Deal

By Gemma Allen, Michele Lowrance, Terry Savage

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The Cooke Sisters Education Piety and Politics in Early Modern England Politics Culture and Society in Early Modern Britain MUP

By Gemma Allen

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Drawing particularly on their own writings, provides a comprehensive analysis of the lives of the Cooke sisters, part of the select group of Tudor women allowed access to formal Humanist education...

Cooke Sisters

By Anthony Milton, Gemma Allen, Alexandra Gajda, Jason Peacey, Peter Lake

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Cooke Sisters

By Anthony Milton, Gemma Allen, Alexandra Gajda, Jason Peacey, Peter Lake

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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.