ROBERT DALEY Books

PORTRAIT OF FRANCE

By ROBERT DALEY, Daley Robert

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Portrait of France

By Robert Daley, Daley Robert

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L homme au revolver

By Daley Robert

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Une bonne intrigue gâchée par un personnage central invraisemblable de naïveté et d'ambiguïté. La seconde moitié sauve à peine la première.

Le Prince de New York

By Daley Robert

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Roman-reportage dont le protagoniste du titre est un policier déchiré entre la loyauté vis-à-vis ses collègues et sa conscience qui lui commande de dire la vérité à l'occasion d'une enquête sur la...

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.