[9] Abraham made his first contribution to the Wild Cards shared world anthology universe in Deuces Down, published June 25, 2002, with his story "Father Henry's Little Miracle".

[11] A six-issue limited comic book series, Wild Cards: The Hard Call, was written by Abraham with art by Eric Battle.

[13] In September 2007, Eos Books published the science fiction novel Hunter's Run, a collaboration between Abraham, George R. R. Martin, and Gardner Dozois.

In 2002, Martin and Dozois decided to bring in a third author to finish the novella, asking Abraham to overhaul the 20,000 word manuscript and write an ending.

[14] In 2011, Abraham launched a new science fiction series, The Expanse, co-authored with Ty Franck under the joint pseudonym James S. A. Corey.

The books are based on a role-playing game set up by Franck, who had developed a science fiction universe that spanned the solar system.

[16] After Franck moved to New Mexico and became part of the science fiction writing community, he set up several campaigns of the game, one that included Abraham as a player.

The pair collaborated on the overarching plot, meeting weekly to outline chapters,[19] with Abraham focusing on structure and prose, and Franck developing the story and world.

[21] A prequel short story titled "The Butcher of Anderson Station" was published in October 2011 and provides background to one of the secondary characters of Leviathan Wakes, Colonel Fred Johnson.

[28][29][30][31] Abraham adapted George R. R. Martin's A Game of Thrones, the first novel of A Song of Ice and Fire, into a comic book series.

[32] The 24-issue series featured art by Tommy Patterson and colors by Ivan Nunes, and was published by Dynamite Entertainment from September 21, 2011, to July 30, 2014.

[34] In New York Comic Con 2013, Del Rey Books announced a new Star Wars novel by Abraham and Ty Franck, writing as James S. A.

[36] The writers watched A New Hope and The Empire Strikes Back several times to capture Han Solo's voice while writing the book.

[37] A short story written by Corey titled "Silver and Scarlet" was included in the book as well as published in Star Wars Insider #148.

[41] The Expanse was developed by Mark Fergus & Hawk Ostby, who wrote the pilot and serve as writers, executive producers, and showrunners alongside Naren Shankar.

[43] Abraham and Ty Franck, who write the novels under the joint pseudonym James S. A. Corey, serve as writers and producers on the show.