Mathias Malzieu Books

The Boy with the Cuckoo-Clock Heart

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Edinburgh, 1874. Born with a frozen heart, Jack is near death when his mother abandons him to the care of Dr. Madeleine--witch doctor, midwife, protector of orphans--who saves Jack by placing a cuc...

Mecanica del corazon

By Mathias Malzieu

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The Boy with the Cuckoo-Clock Heart

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INTERNATIONAL BESTSELLER • A wildly original, fantastical adventure of love and heartbreak—and an animated movie, Jack and the Cuckoo-Clock Heart—that takes us from Edinburgh to Paris to Andalusia...

The boy with the cuckoo clock heart

By Mathias Malzieu

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Tunes

By Molly Stevens, Vincent Brunner, Mathias Malzieu

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"Tunes is an eclectic anthology of work by celebrated graphic artists that together present a definitive history of rock and roll through that most rebellious of illustrated media, the comic strip....

La Mecanique du coeur

By Mathias Malzieu

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La Mecanique du coeur

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Journal d un vampire en pyjama

By Mathias Malzieu

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Une sirene a Paris

By Mathias Malzieu

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Journal d un vampire en pyjama

By Mathias Malzieu

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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.