Hannu Rajaniemi Books

"With his infectious love of storytelling in all its forms, his rich characterization and his unrivaled grasp of thrillingly bizarre cutting-edge science, Hannu Rajaniemi swiftly set a new benchmar...

Quantum thief

By Hannu Rajaniemi

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A breathtaking joyride through the solar system several centuries hence, a world of marching cities, ubiquitous public-key encryption, people who communicate via shared memory, and a race of hyper-...

The Quantum Thief

By Hannu Rajaniemi

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The Causal Angel

By Hannu Rajaniemi

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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.