Jonathan Kellerman Books

Kinderpsycholoog Alex Delaware raakt betrokken bij het onderzoek naar de moord op een onbekende jongedame die hij toevallig vlak voor haar dood nog heeft gezien.

Sluitend Bewijs Alex Delaware 24

By Jonathan Kellerman

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Nar avgrunden oppnar sig

By Jonathan Kellerman

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De dansande skonheterna

By Jonathan Kellerman

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Sjalvforsvar

By Jonathan Kellerman

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Doktor Alex Delaware tar egentligen inte emot några nya patienter, men den unga Lucy Lowell är ett undantag. Efter att ha suttit i juryn vid den uppmärksammade rättegången mot en seriemördare har h...

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.