The Foundations of Fear Anthology series by Robert A. Heinlein consists of 4 books, published between 1992 and 1994. The series begins with An Exploration of Horror: Foundations of Fear (With: George R.R. Martin,David G. Hartwell,Peter Straub,Richard Matheson,Daphne du Maurier,Clive Barker,Carlos Fuentes,Arthur Machen,Gerald Durrell).