Harry Turtledove Books

Frederick Radcliff is a descendent of the family that founded Atlantis's first settlement. But he is also a slave. And when fate presents him with the opportunity to throw off his shackles once and...

366 Days in Abraham Lincoln s Presidency

By Stephen A. Wynalda, Harry Turtledove, John Stauffer

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In the Presence of Mine Enemies

By Harry Turtledove

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In the twenty-first century, Germany's Third Reich continues to thrive after its victory in World War II-keeping most of Europe and North America under its heel. But within the heart of the Nazi re...

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.