Borge Hellstrom Books

Serial killer and child molester Bernt Lund escapes from prison custody, leading Detective Superintendent Ewert Grens to the most disturbing case of his career. Bernt Lund is an unrepentant child...

Three minutes

By Anders Roslund

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"Presumed dead by the Stockholm police -- with a couple of notable exceptions, including homicide detective Ewert Grens -- master criminal and undercover informant Piet Hoffmann is now on the run f...

Three minutes

By Anders Roslund

Average: 0.00, 0 Ratings

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.