The Ghost Tower of Inverness is an adventure module for the "Dungeons & Dragons" fantasy roleplaying game, set in the game's "World of Greyhawk" campaign setting.
 The module's title refers to an ancient magical tower located in the southern Abbor-Alz Hills.
 The "C" in the module code represents the first letter in the word "competition," the name of C1 – C6 module series.
Red Sonja Unconquered (ISBN  ) is a 1987 adventure module for the "Dungeons & Dragons" roleplaying game based on the barbarian heroine, Red Sonja.
 Its module code is RS1 and its TSR product code is TSR 9183.
 Like the similar barbarian-hero inspired Conan modules (CB1 and CB2), this module was not very popular.
Fantasy Interactive Scenarios by Telephone (F.I.S.T.) were a series of single-player telephone-based roleplaying games launched by UK games designer Steve Jackson in 1988 through the company Computerdial, who until then had used their service to provide astrology services.
 The product was a radio drama version of Jackson's popular Fighting Fantasy novels, and the outcome of the story could be affected by choices the user made, using a touch-tone telephone.
 A free starter pack could be ordered by sending a self-addressed stamped envelope to the game creators.
Dwellers of the Forbidden City is an adventure module, or pre-packaged adventure booklet, ready for use by Dungeon Masters in the "Dungeons & Dragons" ("D&D") fantasy role-playing game.
 The adventure was first used as a module for tournament play at the 1980 Origins Game Fair, and was later published by TSR in 1981 for use with the first edition "Advanced Dungeons & Dragons" rules.
 The module was written by game designer David "Zeb" Cook, who partly ascribes his hiring by TSR to his work on this module.
 In the adventure, the characters are hired to find an object taken to a lost oriental-style city, which has been taken over by a cult of snake-worshipers, the yuan-ti, and their servants, the mongrelmen and tasloi.
 The module was ranked as the 13th greatest "Dungeons & Dragons" adventure of all time by "Dungeon" magazine for the 30th anniversary of the "Dungeons & Dragons" game in 2004.
Danger at Dunwater is an adventure module for the "Advanced Dungeons & Dragons" (AD&D) fantasy roleplaying game, written by Dave J. Browne with Don Turnbull The module was first published by TSR, Inc. in 1982 and contains a 32-page adventure set in the "World of Greyhawk" campaign setting.
 It was designed for 6-10 characters of level 1-4.
The Gates of Firestorm Peak is an adventure module for the second edition of the "Advanced Dungeons & Dragons" fantasy role-playing game.
 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 Robert Cordell (born 1968 ) is an American author of roleplaying games and fantasy novels.
 He has worked on "Dungeons & Dragons" games for Wizards of the Coast.
 He won the Origins Award for "Return to the Tomb of Horrors" and has also won several ENnies.
 He lives in Seattle.
Queen of the Demonweb Pits ("Q1") is an adventure module for the "Dungeons & Dragons" roleplaying game written by David Sutherland.
 The "Q" in the module code is an abbreviation for "queen".
 The module, a sequel to the D series of modules, was novelized in 2001.
The Shattered Gates of Slaughtergarde is a generic setting adventure module for the 3.5 edition of the "Dungeons & Dragons" roleplaying game.
 The adventure is designed for 1st level characters.
 It contains a 32-page adventure.
Muhammad Abd-al-Rahman Barker (born Phillip Barker, November 3, 1929 – March 16, 2012), was a professor of Urdu and South Asian Studies who created one of the first roleplaying games, Empire of the Petal Throne, and wrote several fantasy/science fantasy novels based in his associated world setting of Tékumel.

Question: Which American author of roleplaying games and fantasy novels, wrote the adventure module 'Gates of Firestorm Peak'?
Answer: Bruce Cordell