Jean Delumeau Books

"We hold Christ's cross and Adam's tree to be in one place," wrote John Donne, speaking of the location of the Garden of Eden. Milton thought it "below the Ethiope line" (the equator). And every sc...

Catholicism Between Luther and Voltaire New View of the Counter reformation

By Jean Delumeau

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Conversations About the End of Time

By Jean Delumeau, Stephen Jay Gould, Umberto Eco, Jean Claude Carriere

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Rome au XVieme siecle

By Jean Delumeau

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La Peur en Occident

By Jean Delumeau

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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.