Sullivan worked for
TSR as a writer and artist, where among other things he worked on the adventure modules
Scourge of the Slave Lords and
Castle Amber. While at TSR, he also contributed to the
Arms and Equipment Guide. Sullivan later taught a course on
Dungeons & Dragons at
MIT, the first of its kind in the country. Sullivan joined CEO John Rickets,
Mark Acres,
Andria Hayday, Gaye Goldsberry O'Keefe, Gali Sanchez,
Garry Spiegle,
Carl Smith, and
Michael Williams to form the game company
Pacesetter in January 1984. Sullivan worked at Pacesetter as the art director. He wrote
Newstralia issues #1–2, published July–October 1989 by
Innovation Publishing. He wrote two issues of
Solar for
Acclaim Entertainment in 2004. In July 2000, he wrote the novel
The Scorpion, the first book in the
Legend of the Five Rings Clan Wars novelization series. Sullivan wrote the
Dragonlance novelization
The Dragon Isles in 2002. He is the author of
Dragonlance: The New Adventures books
The Dying Kingdom (July 2004; volume two of the series), and ''Warrior's Heart'' (November 2006, the first book in the Goodlund Trilogy). His novelization of
Manos: The Hands of Fate won a
Scribe Award for Best Adapted Novel in 2016. ==References==