Danny A. Brown Books

The Expanding Universe 3: Space Opera, Military SciFi, Space Adventure, & Alien Contact!

By Richard Fox, T. M. Catron, Amy Duboff, Christian Kallias, J.A. Cipriano, M.D. Cooper, Jonathan P. Brazee, Zen DiPietro, Thomas J. Rock, Terry Mixon, S. M. Schmitz, Mike Kraus, Andrew Dobell, Scott Moon, C. C. Ekeke, Kevin O McLaughlin, Craig Martelle, Bill Patterson, Conner Kressley, Yudhanjaya Wijeratne, Mikey Campling, B.C. Kellogg, Emily Walker, Michael La Ronn, Chris Fox, Danny A. Brown, Lisa Blackwood, J. R. Handley, Fox, Richard, Robert Jeschonek, Laura Martone, Jonathon P. Brazee, Daniel Martone

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Twenty-five talented authors. One incredible science fiction collection. The universe is expanding and these are some of its stories. Worlds where invasions are apocalyptic and space empires are in...

Touching All Bases

By Dan Brown, Johnson, Donald R., Donald R. Johnson, Danny A. Brown, Doris Wyatt, Robert J. Higgs, James Connolly, Laura Higgs Kappel, Higgs, Robert J.

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Interloper

By Danny Brown, Danny A. Brown

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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.