Greatest Uncommon Denominator contains literary and genre fiction, poetry, essays, and art and features authors and artists from around the world.

The magazine, published irregularly, is available for purchase in print and many electronic formats, including: 1871 submissions were read and responded to between July 2006 to the end of January 2007.

[4] The magazine is a publication of GUD Publishing, Inc., an organization started in 2006 by Mike Coombes, Sal Coraccio, Kaolin Fire, and Sue Miller.

As of February 2007, the active members included Julia Bernd, Sal Coraccio, Kaolin Fire, Sue Miller and Debbie Moorhouse.

T. L. Morganfield, ‘Night Bird Soaring’,[5] Issue #3: Sidewise Awards (Shortlisted: Best Short-Form Alternate History 2009)[6] Kirstyn McDermott, ‘Painlessness’,[7] Issue #2: Aurealis Awards (Best Horror Short Story, 2008)[8] and Ditmar Awards (Best Novella/Novelette 2009)[9] Neal Blaikie, ‘Offworld Friends are Best’,[10] Issue #2: Locus Recommended Reading List, 2008 [11] Stories from GUD Issues 0 and 1 received 3 honorable mentions in The Year's Best Fantasy and Horror Awards 2008:[12] In 2008, GUD was considered one of the "Top 100 Markets for Magazine Writers and Book Writers" by Writer's Digest.