John Ringo Books

Princess of wands
Princess of wands

By John Ringo

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Unto the Breach
Unto the Breach

By John Ringo

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Cally s War Posleen War Series 5
Against the Tide Council of War
East of the Sun and West of the Moon
Kildar
Kildar

By John Ringo

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Choosers of the Slain
Choosers of the Slain

By John Ringo

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Former SEAL Michael Harmon ("Ghost") has settled down in the country of Georgia and built a commando-quality militia out of local tribesmen. The Keldara have an ancient history as mountain warriors...

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We Few Prince Rogers
We Few Prince Rogers

By David Weber, John Ringo

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Yellow Eyes Posleen War Series 8
Into the Looking Glass
Into the Looking Glass

By John Ringo

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Related Articles from our Blog

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.

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