Christian Malard Books

All the Presidents Pastries

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This extraordinary success story, told by the hero himself. of a young French pastry chef who climbed his way to the top, embodies the great American dream.

Dans le secret des maitres du monde

By Christian Malard

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En trente-huit ans de radio et de télévision, Christian Malard a rencontré nombre de chefs d'État, recueilli leurs confidences et assisté à des scènes, en "off", parfois incroyables. Ce sont ces so...

All the President s Pastries

By Roland Mesnier, Christian Malard

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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.