John R. Fultz Books

Seven Sorcerers

By John R. Fultz

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Seven princes

By John R. Fultz

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It is an Age of Legends. Under the watchful eye of the Giants, the kingdoms of Men rose to power. Now, the Giant-King has slain the last of the Serpents and ushered in an era of untold peace and pr...

Seven princes

By John R. Fultz

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Whispers from the Abyss

By J.C. Hemphill, Dennis Detwiller, Nick Mamatas, Greg Van Eekhout, Kat Rocha, A.C. Wise, Josh Finney, Greg Stolze, Aaron J. French, John R. Fultz, Tim Pratt, James Brogden, Jason Andrew, Stephen Brown, Brandon Barrows, Silvia Moreno Garcia, Kelda Crich

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Weirdbook 31

By James Aquilone, D.C. Lozar, Paul Dale Anderson, Darrell Schweitzer, S.W. Lauden, Jason A. Wyckoff, Janet Harriett, Llanwyre Laish, John R. Fultz, Kevin Strange, Kurt Newton, J. T. Glover, Christian Riley, Jessica Amanda Salmonson, Bret McCormick, Erica Ruppert, Adrian Cole, Gary A. Braunbeck, Gregg Chamberlain

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Weirdbook Annual 2 Cthulhu

By L.F. Falconer, Paul Dale Anderson, Robert Price, Franklyn Searight, Darrell Schweitzer, Lucy A. Snyder, John R. Fultz, Christian Riley, Cynthia Ward, Adrian Cole

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The Revelations of Zang

By John R. Fultz

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Worlds Beyond Worlds

By John R. Fultz

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The Son of Tall Eagle

By John R. Fultz

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The Testament of Tall Eagle

By Oksana Dmitrienko, John R. Fultz

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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.