Jonathan Kellerman Books

Niedobra milosc

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It came in a plain brown wrapper, no return address--an audiocassette recording of a horrifying, soul-lacerating scream, followed by the sound of a childlike voice chanting: "Bad love. Bad love....

Um Coracao Frio Em Portugues do Brasil

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Breekpunt

By Jonathan Kellerman

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Wanneer een klein meisje getuige is van een dubbele moord en daarna niets kan of wil zeggen, wordt kinderpsycholoog Alex Delaware ingeschakeld om enig licht op de zaak te werpen.

Gesmoord

By Jonathan Kellerman

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Een kinderpsycholoog probeert samen met een bevriende rechercheur de rode draad te vinden in een reeks verdachte ongevallen.

Noodgreep

By Jonathan Kellerman

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Een Californische kinderpsycholoog, tevens amateur-detective, helpt een jonge vrouw die in de problemen is gekomen door gruwelijke jeugdherinneringen.

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.