Emmanuel Le Roy Ladurie Books

"The Duke of Saint-Simon (1675-1755) was by all accounts, including his own, a sensitive, self-obsessed, ill-tempered man. A courtier and phenomenal chronicler of court life under Louis XIV, he pro...

The Beggar and the Professor: A Sixteenth-Century Family Saga

By Emmanuel Le Roy Ladurie

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In 1499, high in the remote and bitterly impoverished mountains of the Valais, Thomas Platter was born and quickly abandoned, left to make his way among the crags as a herder of goats and sheep. At...

The Beggar and the Professor

By Emmanuel Le Roy Ladurie

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Mind and Method of the Historian

By Emmanuel Le Roy Ladurie

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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.