John Connolly Books

Le Pacte de l etrange Sang d encre French Edition

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La proie des ombres

By John Connolly, Jacques Martinache

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Le livre des choses perdues

By John Connolly

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Tout ce qui meurt

By John Connolly

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Analyse: Roman policier (suspense).

Le pouvoir des tenebres

By John Connolly

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Grace ne s'est pas suicidée. Charlie Parker, détective privé en charge de l'affaire, en est convaincu. Il découvre que la jeune femme menait des recherches sur une secte. Mais il dérange et certain...

Le livre des choses perdues

By John Connolly

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David, 12 ans, est inconsolable depuis la mort de sa mère et se réfugie dans les livres pour fuir le remariage de son père. Un jour, il découvre un trou caché derrière les buissons au fond du jardi...

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.