Tom Kratman Books

Watch on the Rhine.

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In the dark days after the events in the book Gust Front, but before the primary invasion, the Chancellor of Germany faces a critical decision. Over the years, with military cutbacks, the store of...

Forbidden Thoughts

By Tom Kratman, Joshua M. Young, Brian Niemeier, David Hallquist, Milo Yiannopoulos, Jane Lebak, L. Jagi Lamplighter, Ben Zwycky, E.J. Shumak, Matthew Ward, Chrome Oxide, Vox Day, Sarah A. Hoyt, Nick Cole, Larry Correia, Brad R. Torgersen, John C. Wright, A.M. Freeman, Ray Blank

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Yellow Eyes Posleen War Series 8

By Tom Kratman, John Ringo

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Watch on the Rhine Posleen War Series 7

By Tom Kratman, John Ringo

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Yellow Eyes Posleen War

By Tom Kratman, John Ringo

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A Desert Called Peace Baen Science Fiction

By Tom Kratman

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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.