Harry Turtledove Books

Attraverso l oscurita

By Harry Turtledove

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Nell oscurita. La guerra dei regni vol. 1

By Harry Turtledove

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Un imperatore per la legione Super bestseller

By N A

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Europa Universalis IV

By Tomas Harenstam, Harry Turtledove

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Alternatif Tarih Hikayeleri

By Harry Turtledova

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From the master of alternate history comes an epic of the second Civil War. It was an epoch of glory and success, of disaster and despair. . . .1881: A generation after the South won the Civil War,...

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.