John Ringo Books

Honor of the Clan
Honor of the Clan

By John Ringo

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The hot gate
The hot gate

By John Ringo

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Tyler Vernon and his troops aboard the gigantic battle station "Troy" face a desperate battle with the forces of galactic tyranny. And the very survival of the Earth and its people is not all that...

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Exiled
Exiled

By Harry Turtledove

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The Hot Gate
The Hot Gate

By John Ringo, Mark Boyett

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The Service of the Sword
March to the Stars
Citadel
Citadel

By John Ringo

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Earth has managed to recapture the Sol system from their Horvath conquerors and begin entering the galactic millieu. But when the Rangora Empire rapidly crushes humanity's only ally it becomes clea...

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Exiled
Exiled

By

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Tiger by the tail
Tiger by the tail

By John Ringo

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Former Navy SEAL Mike Harmon investigates how pirates in the Singapore Straits acquired top-secret computer chips designed to run nuclear reactors, a case that threatens the fledgling democratic go...

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Queen of Wands
Queen of Wands

By John Ringo

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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.

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