Question: What horror story was a 1986 novel and a 1990 supernatural horror drama mini-series?

Context articles: Appointment with Fear (radio)
Outcast (TV series)
Jenma Natchathiram
It (novel)
American Horror Story: Asylum
American Horror Story: Murder House
It (miniseries)
Death Troopers
Teddy Sears
It (2017 film)

Appointment with Fear was a horror drama series originally broadcast on BBC Radio in the 1940s and 1950s, and revived on a number of occasions since.
 The format comprised a dramatised horror story of approximately half an hour in length, introduced by a character known as the Man in Black.
 The plays themselves were a mixture of classic horror stories by writers such as Edgar Allan Poe, M. R. James and W. W. Jacobs, and commissioned stories by new or established writers.
 Many of the stories in the early series were written or adapted by John Dickson Carr.
Outcast is an American horror drama television series based on the comics of the same name by Robert Kirkman and Paul Azaceta.
 A ten-episode first season debuted on Cinemax on June 3, 2016.
 It is a supernatural horror story that features people involved in demonic possession, and revolves around the life of Kyle Barnes, who is rejected by the people of Rome, West Virginia, for allegedly hurting his wife and daughter.
Jenma Natchathiram (தமிழ்: ஜென்ம நட்சத்திரம், English: Birth Star) is a 1991 Tamil supernatural horror film directed and Screenplays by Thakkali Srinivasan for Thirai Gangai Films.
 The film dialogue were written by Ma.
 Pandarinathan, and story were written by Krishnan respectively.
 Music by Premi - Srini assets to the soundtrack.
 It Stars Baby Vichithra played titular role with Pramoth, Sindhuja and Vivek played pivotal role.
 The film was unofficial remake of "The Omen", 1976 British/American supernatural horror drama film directed by Richard Donner.
It is a 1986 horror novel by American author Stephen King.
 It was his 22nd book and 18th novel written under his own name.
 The story follows the experiences of seven children as they are terrorized by a being that exploits the fears and phobias of its victims to disguise itself while hunting its prey.
 "It" primarily appears in the form of a clown to attract its preferred prey of young children.
American Horror Story: Asylum is the second season of the American FX horror television series "American Horror Story," created by Brad Falchuk and Ryan Murphy.
 It originally aired from October 17, 2012 to January 23, 2013.
 The premise of the second season marked a departure from that of the series' , featuring all new characters and a new location, thus marking "American Horror Story" as an anthology series at the time.
American Horror Story: Murder House (originally titled as American Horror Story) is the first season of the FX television series "American Horror Story", aired between October 5, 2011, through December 21, 2011.
 The season was produced by 20th Century Fox Television, and the executive producers were Dante Di Loreto and series creators Brad Falchuk and Ryan Murphy.
It is a 1990 American supernatural horror drama mini-series directed by Tommy Lee Wallace and adapted by Lawrence D. Cohen from the Stephen King novel of the same name.
Death Troopers is a "Star Wars" novel written by Joe Schreiber.
 Schreiber's idea was to create a horror story in the "Star Wars" universe that pulled from horror movies he enjoyed such as "The Shining" and "Alien".
 The novel is the first "Star Wars" horror story since the "Galaxy of Fear" series, released in the late 1990s.
 Released on October 13, 2009, Death Troopers is set just before the events shown in "A New Hope".
 It was heavily featured in the MMORPG "Star Wars Galaxies" with SOE confirming a full page of information and advertisements of the game in the book.
 On September 22, 2010, Ballantine Books revealed the cover of the prequel novel, also by Schreiber, called "Red Harvest".
Edward M. "Teddy" Sears (born April 6, 1977) is an American actor, known for his roles as Richard Patrick Woolsley on the TNT legal drama series "Raising the Bar", Patrick on the first season of FX anthology horror drama "American Horror Story" (retroactively titled ""), Dr. Austin Langham on the "Showtime" period drama series "Masters of Sex", and Hunter Zolomon/Zoom in "The Flash".
It: Chapter One, or simply It, is a 2017 American supernatural horror film directed by Andy Muschietti, based on the 1986 novel of the same name by Stephen King.
 The screenplay is by Chase Palmer, Cary Fukunaga and Gary Dauberman.
 The first of a planned duology, the film tells the story of seven children in Derry, Maine, who are terrorized by the eponymous being, only to face their own personal demons in the process.
 The novel was previously adapted into a 1990 miniseries.