The Gates of Firestorm Peak was an adventure written by the author who worked on which game series for Wizards of the Coast?
The Gates of Firestorm Peak:  The adventure was published in 1996, and was written by Bruce Cordell, with cover art by Jeff Easley and interior art by Arnie Swekel. Bruce Cordell: Bruce Robert Cordell (born 1968 ) is an American author of roleplaying games and fantasy novels. Bruce Cordell:  He has worked on "Dungeons & Dragons" games for Wizards of the Coast.
Dungeons & Dragons