Steffen Jacobsen Books

When the Dead Awaken

By Steffen Jacobsen

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Trophy

By Steffen Jacobsen, Charlotte Barslund

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Retribution

By Steffen Jacobsen, Charlotte Barslund

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Trophy

By Steffen Jacobsen

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Two hours to get away, 22 more to survive. The sun released its grip on the mountains in the east as they started running. Hunted for their lives, Ingrid and Kasper Hansen can think of only one thi...

When the dead awaken

By Steffen Jacobsen

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The Neopolitan mafia, deadly assassins, and a woman out for revenge collide in this explosive thriller from the number one bestselling Danish author.

Retribution

By Steffen Jacobsen

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On a warm Autumn afternoon, Tivoli Gardens - Denmark's largest amusement park - is devastated by a terrorist attack. 1,241 people are killed. The unknown bomber is blown to bits; the security force...

Trophy

By Steffen Jacobsen, Charlotte Barslund

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Retribution

By Steffen Jacobsen, Charlotte Barslund

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Den gode datter

By Steffen Jacobsen

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Krimi med kriminalkommissær Robin Hansen, der skal opklare en sag med en dansk ingeniør, der bliver bortført og hastigt dræbt i Venezuela. En sag der både indbefatter en mystisk ung retsmediciner,...

Gengaeldelsen

By Steffen Jacobsen

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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.