Michel Lefftz Books

L antiquite de papier

By Michel Lefftz, Celine Van Hoorebeeck, Helene Cambier

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Sculpture en Belgique Sculptuur in Belgi Sculpture in Belgium

By Michel Lefftz

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Gardiens de nos eglises

By Aurelie Stuckens, Michel Lefftz, Axel Tixhon, Sophie Genin, Christian Pacco, Anais Lechat

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Silencieux, immobiles et hiératiques, ils sont là. Peuplant des églises dont les portes sont de moins en moins ouvertes. Veillant sur des communautés de plus en plus étrangères à leur existence. Ce...

Questions D ornement

By Michel Lefftz, Caroline Heering, Ralph Dekoninck

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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.