Philippe Cachau Books

Histoire de l Art Pour les nuls

By Philippe Cachau, Jean Jacques Breton, Dominique Williatte

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Jacques Francois Blondel

By Denis Bilodeau, Pierre Caye, Philippe Cachau, Aurelien Davrius

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Last herald of French architecture, Jacques-François Blondel (1708/9-1774) trained in his private school and at the Royal Academy of Architecture in Paris several of the most renowned architects of...

La cathedrale Saint Louis de Versailles

By Philippe Cachau

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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.