Harry Turtledove Books

In at the Death

By Harry Turtledove

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The Man with the Iron Heart

By Harry Turtledove

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The Man with the Iron Heart: A Novel

By Harry Turtledove

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Two Fronts

By Harry Turtledove

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A penultimate entry in the series that includes the best-selling Hitler's War builds on the events of the previous four novels to reimagine a desperate Nazi response to a war on two fronts from the...

Two Fronts (The War That Came Early, Book Five)

By Harry Turtledove

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In 1942, two nations switch sides—and World War II takes a horrifying new course. In the real world, England and France allowed Adolf Hitler to gobble up the Sudetenland in 1938. Once Hitler fini...

Last Orders

By Harry Turtledove

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A conclusion to the landmark World War II series explores the lives of everyday soldiers and civilians as well as historic leaders to consider the fallout of Chamberlain's alternate-world decision...

Departures

By Harry Turtledove

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Agent Of Byzantium

By Harry Turtledove

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Crime Through Time 3

By Laura Frankos, Anne Perry, Steven Saylor, Margaret Coel, Sharyn McCrumb, Harry Turtledove, Sharan Newman, Andrew Greely

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Agent of Byzantium

By Harry Turtledove

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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.