John Connolly Books

Gente che uccide

By John Connolly

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Un anima che brucia

By John Connolly

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Gente che uccide

By John Connolly

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De maaiers

By John Connolly

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Als er een schim uit een verleden opduikt krijgen twee ex-huurmoordenaars op hun beurt huurmoordenaars achter zich aan.

Het witte pad

By John Connolly

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Als een detective een moordzaak onderzoekt, blijkt dat de wortels van de gebeurtenissen in het verleden liggen.

Os amantes

By John Connolly

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LSC Human Spaceflight with Website

By John Connolly, Wiley Larson, Linda Pranke, Robert Giffen

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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.