Borge Hellstrom Books

Three Seconds

By Anders Roslund, Borge Hellstrom

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Three seconds

By Anders Roslund

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"Piet Hoffman is the best undercover operative in the Swedish police force, but only one other man is even aware of his existence. When an amphetamine deal he is involved in goes badly wrong, he is...

Cell 8

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Two soldiers

By Anders Roslund

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Blood brothers Leon and Gabriel have spent their young lives establishing a formidable criminal enterprise known as the Warriors, which is now poised to secure domination in the area. DCI Ewert Gre...

Two Soldiers

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Cell 8

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Three Seconds

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Three Seconds

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Two Soldiers

By Borge Hellstrom, Anders Roslund, Kari Dickson

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Pen 33

By Borge Hellstrom, Anders Roslund

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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.