Writing José Mallorquí Other Credits La vuelta del Coyote Novel 1998 To Die... To Sleep... Perchance to Dream Story 1976 Death on High Mountain Screenplay 1969 Killer Adios Story 1968 The Man Who Killed Billy the Kid Story 1967 Ride and Kill Story 1964 The Betrothed Screenplay 1964 Heroes of the West Story 1963 El secreto de Tomy Novel 1963 The Implacable Three Screenplay 1963 The Sign of the Coyote Novel 1963 Son of Hercules vs. Medusa Story 1963 The Shadow of Zorro Writer 1962 The Coyote's Justice Characters 1956 The Coyote Characters 1955 Agent-readable