Per Wahloo Books

In an unnamed country, in an unnamed year sometime in the future, Chief Inspector Jensen of the Sixteenth Division is called in after the publishers controlling the entire country's newspapers and...

The Laughing Policeman

By Per Wahloo, Maj Sjowall

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The Man Who Went Up in Smoke

By Per Wahloo, Maj Sjowall

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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.

Per Wahloo Books

TERRORISTS

The Laughing Policeman

The Locked Room

The Man on the Balcony

Roseanna

The Lorry

Murder on the thirty-first floor

The Laughing Policeman

The Man Who Went Up in Smoke

Uppdraget

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?