The 1997-98 season at the Mark Taper Forum of the Music Center of Los Angeles County was announced Monday by Taper artistic director Gordon Davidson.Six new plays will be presented beginning in September including a new work by Anna Deavere Smith and a two-part epic based on John Irving’s novel “The Cider House Rules.” The Taper will open the season with the West Coast premiere of David Hare’s “Skylight,” which explores the inseparable relationship between people’s public and private lives. Taper producing director Robert Egan directs. “Skylight” run Sept. 18-Oct. 26 with previews beginning Sept. 7. Other plays on the Taper sked include: “Room Service” by John Murray and Allen Boretz and adapted and performed by the Flying Karamazov Brothers. Directed by Robert Woodruff, presented in cooperation with the Alex Theater of Glendale. “Room” runs Nov. 20-Dec. 21 with previews beginning Nov. 14. “Neat,” written and performed by Charlayne Woodard, is set for Jan. 11-Feb. 1; previews begin Jan. 4. “Tongue of a Bird,” by Ellen McLaughlin and directed by Lisa Peterson, runs Feb. 19-March 29; previews begin Feb. 8. An untitled new work by Anna Deavere Smith in its West Coast premiere, presented in association with the Arena Stage of Washington, D.C., and Goodman Theater, Chicago. Smith’s presentation is set for April 16-May 31 with previews beginning April 5. “The Cider House Rules” Part One and Two adapted by Peter Parnell from a novel by John Irving and directed by Tom Hulce and Jane Jones. “Rules” runs June 13-Sept. 27.