David Hewson Books

The Blue Demon

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The eighth stunning novel in David Hewson’s acclaimed crime series set in modern Rome. Twenty years ago, a mysterious group called the Butteri committed a series of bizarre crimes evoking the lost...

When British academic Malise Gabriel falls to his death from a Rome apartment, detective Nic Costa rapidly comes to realize that there is much more to the accident than he had first thought. It als...

Killing The

By David Hewson

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Sarah Lund is looking forward to her last day as a detective with the Copenhagen Police department before moving to Sweden. But everything changes when 19-year-old student Nanna Birk Larsen is foun...

The killing II

By David Hewson

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Thirty nine steps rose from the busy road of Tuborgvej into Mindelunden, with its quiet graves and abiding bitter memories. Lennart Brix, head of the Copenhagen homicide team, felt he'd been walkin...

The Lizard's Bite

By David Hewson

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The Seventh Sacrament

By David Hewson

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The Garden of Evil

By David Hewson

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The Promised Land

By David Hewson

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A Season for the Dead

By David Hewson

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A Season for the Dead

By David Hewson

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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.