Andrew Pettegree Books

Emden and the Dutch Revolt: Exile and the Development of Reformed Protestantism

By Andrew Pettegree

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The Book in the Renaissance

By Andrew Pettegree

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The Invention of News: How the World Came to Know About Itself

By Andrew Pettegree

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"Long before the invention of printing, let alone the availability of a daily newspaper, people desired to be informed. In the pre-industrial era news was gathered and shared through conversation a...

Brand Luther

By Andrew Pettegree

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A revolutionary look at Martin Luther, the Reformation, and the birth of publishing, on the eve of the Reformation’s 500th anniversary When Martin Luther posted his “theses” on the door of the Wi...

The Reformation World

By Andrew Pettegree

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The Reformation World

By Andrew Pettegree

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The Reformation

By Andrew Pettegree

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The Reformation

By Andrew Pettegree

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The Reformation

By Andrew Pettegree

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The Reformation

By Andrew Pettegree

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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.