Jussi Adler Olsen Books

The Purity of Vengeance

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New York Times bestselling author Jussi Adler-Olsen returns as Detective Carl Mørck and his Department Q team delve into a cold case that turns into more than they may be able to handle...&#...

The Marco Effect

By Jussi Adler Olsen

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A teenaged boy on the run propels Detective Carl Mørck into Department Q’s most sinister case yet in the fifth novel in Jussi Adler-Olsen's New York Times bestselling series. Fift...

The Alphabet House

By Jussi Adler Olsen

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In the tradition of Alan Furst, the #1 international bestselling author of the Department Q series delivers his first stand-alone novel, a psychological thriller set in World War II Nazi Germany an...

The Keeper of Lost Causes

By Jussi Adler Olsen

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Get to know the detective in charge of Copenhagen's coldest cases in the first electrifying Department Q mystery from New York Times bestselling author Jussi Adler-Olsen.Carl Mørck used...

A Conspiracy of Faith

By Jussi Adler Olsen

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Detective Carl Mørck and his colleagues Assad and Rose must use all of their resources to uncover the horrifying truth in this heart-pounding Nordic thriller from the #1 international b...

The Keeper of Lost Causes

By Jussi Adler Olsen

Average: 0.00, 0 Ratings

Get to know the detective in charge of Copenhagen's coldest cases in the first electrifying Department Q mystery from New York Times bestselling author Jussi Adler-Olsen.Carl Mørck used...

The Scarred Woman

By Jussi Adler Olsen

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The New York Times and #1 internationally bestselling author of The Keeper of Lost Causes delivers his most captivating and suspenseful Department Q novel yet—perfect for fans of St...

The Marco Effect

By Jussi Adler Olsen

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A teenaged boy on the run propels Detective Carl Mørck into Department Q’s most sinister case yet in the fifth novel in Jussi Adler-Olsen's New York Times bestselling series. Fift...

The Alphabet House

By Jussi Adler Olsen

Average: 0.00, 0 Ratings

In the tradition of Alan Furst, the #1 international bestselling author delivers his first stand-alone novel, a psychological thriller set in World War II Nazi Germany and 1970s England British pil...

The Hanging Girl

By Jussi Adler Olsen

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New York Times and internationally bestselling author Jussi Adler-Olsen delivers an exhilarating mystery in the Department Q series, featuring Detective Carl Mørck and his enigmatic ass...

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.