James Hayman Books

L ecorcheur de Portland

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Roman policier Un tueur en série a débarqué à Portland. Ses proies : des jeunes femmes blondes et sportives. Son mode opératoire : leur arracher le coeur... A Portland, Katie, seize ans, a disparu...

L ecorcheur de Portland Suspense

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De scherprechter

By James Hayman

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Nadat een rechercheur is verhuisd van New York naar het voor zijn dochter veiliger Portland, krijgt hij te maken met een brute seriemoordenaar die het hart van zijn slachtoffers steelt.

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.