Harry Turtledove Books

The Stolen Throne

By Harry Turtledove

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Hammer and Anvil

By Harry Turtledove

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The Thousand Cities

By Harry Turtledove

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In the Balance

By Harry Turtledove

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The Guns of the South

By Harry Turtledove

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"It is absolutely unique--without question the most fascinating Civil War novel I have ever read."Professor James M. McPhersonPultizer Prize-winning BATTLE CRY OF FREEDOMJanuary 1864--General Rober...

In the Balance (Worldwar, Book One)

By Harry Turtledove

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Suppose Roosevelt, Stalin, Churchill, Hitler, and Hirohito had united to conquer an even greater foe?No one could top their power—not the Germans, not the Japanese, not the Russians, not the United...

Tilting the Balance

By Harry Turtledove

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Upsetting the Balance

By Harry Turtledove

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Upsetting the Balance (Worldwar, Book Three)

By Harry Turtledove

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Russia, Communist China, Japan, Nazi Germany, the United States: they began World War II as mortal enemies. But suddenly their only hope for survival—never mind victory—was to unite to stop a might...

Videssos Besieged

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.