Robert Karjel Books

The Swede

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"Jo Nesbo meets Homeland in this sophisticated debut literary thriller about a Swedish security force agent sent to the U.S. for a special assignment, which delivers a breathtaking global twist on...

The Swede

By Robert Karjel, Nancy Pick

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After the monsoon

By Robert Karjel

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In the terrorist- and pirate-infested world of the Horn of Africa, Swedish security agent Ernst Grip can count on only his own shrewdness to survive when he must investigate the suspicious death of...

The Swede

By Robert Karjel

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Der Vermittler

By Robert Karjel

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Mi nombre es N

By Robert Karjel, Carlos Del Valle Hernandez

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De redan doda

By Robert Karjel

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Swede

By Robert Karjel

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My Name Is N

By Robert Karjel

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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.