The Nightcomers: A Speculation

From Author Wars - https://authorwars.com/publications/the-nightcomers-a-speculation-568252.html

Overview:

Title: The Nightcomers: A Speculation
Author: Michael Hastings
Year: 1972
Publisher: Delacorte Press
Price: $5.95
Pages: 170
Binding: Hardcover
Type: Novel
Title Reference: The Nightcomers: A Speculation
Notes: Price on front flap, month (0472) on back flap of archive.org copy; copyright page: "This speculation is based on a reading from...The turn of the screw, by Henry James...in The two magics...1898."; back flap: "The Nightcomers has been made into a major motion picture."