Leif G. W. Persson Books

The dying detective

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Retired Chief of the National Crime Police and Swedish Security Service Lars Martin Johansson has just suffered a stroke. He is paying the price for a life of excess - stress, good food and fine wi...

Sword of Justice

By Leif G. W. Persson

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Den sanna historien om Pinocchios nasa

By Leif G. W. Persson

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Gustavs grabb

By Leif G. W. Persson

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Kampen mot EKO-brotten

By Leif G. W. Persson

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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.