Philip José Farmer, escritor americano (North Terre Haute, Indiana, 26.1.1919 - Peoria, Illinois, 25.2.2009) que distingiu pela sua produção na área do romance de aventuras e da ficção científica, a qual lhe valeu diversas distinções, nomeadamente vários Prémios Hugo e o Prémio Nebula (Grand Master Award, 2001). Para além de numerosas colaborações de natureza diversa em revistas, a sua obra abrange romances (organizados por vezes em séries como «Riverworld», «World of Tiers»), contos, poemas e ensaios. 
No campo da ficção, destacamos os títulos: The Green Odissey (1957), Flesh (1960), A Woman a Day (1960), The Lovers (1961), Cache From Outer Space (1962), Fire and The Night (1962), Inside Outside (1954), Tongues of the Moon (1964), The Maker of Universes (1965), Dare (1965), The Gates of Creation (1966), The Gate of Time (1966), A Private Cosmos (1968), Image of the Beast (1968), A Feast Unknown (1969), Blown (1969), Behind the Walls of Terra (1970), Lord of the Trees (1970), Lord Tyger (1970). Love Song (1970), The Stone God Awakens (1970), To Your Scattered Bodies Go (1971), The Fabulous Riverboat (1971), The Wind Whales of Ishamael (1971), Tarzan Alive (1972), Time's Last Gift (1972), Doc Savage: His Apocalyptic Life (1973), Traitor to the Living (1973), The Adventure of the Peerless Peer (1974), Venus of the Half-Shell (1975), The Dark Design (1977), Dark Is the Sun (1979), The Magic Labyrinth (1980), The Unreasoning Mask (1981), A Barnstormer in Oz (1982), Gods of Riverworld (1983), River of Eternity (1983), Dayworld (1985), Dayworld Rebel (1987), Dayworld Breakup (1990), Red Orc's Rage (1991), Escape From Loki (1991), The Caterpillar's Question (1992), More Than Fire (1993), Nothing Burns In Hell (1998), The Dark Heart of Time: A Tarzan Novel (1999), Up From the Bottomless Pitt (2005), The City Beyond Play (2007, com Danny Adams).
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