Leif Gw Persson Books

Comme dans un reve

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Martin Johansson, haut responsable de la police, décide de rouvrir discrètement l'enquête sur l'affaire la plus célèbre de Suède, jamais élucidée : le meurtre du Premier ministre Olof Palme, en 1986.

Comme dans un reve

By Leif G. W. Persson

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Entre La Promesa Del Verano Y El Frio Del Invierno Between the Summer Promise and the Cold of the Winter

By Leif G. W. Persson

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Backstrom episode 2

By Leif Gw Persson, Catherine Renaud, Francois Guerif

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Grisfesten

By Leif G. W. Persson

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Falling Freely as If in a Dream

By Leif GW Persson

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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.