Rosemary's Baby released

Rosemary's Baby is a 1967 horror novel by American writer Ira Levin; it was his second published book. The novel follows a young couple who move into an apartment building, where they befriend an older couple in the neighboring apartment, who become increasingly involved when Rosemary becomes pregnant. It was the best-selling horror novel of the 1960s, selling over four million copies. The high popularity of the novel was a catalyst for a boom in popularity for horror fiction, which achieved enormous commercial success in its wake.