The science fiction writer Robert A. Heinlein (1907–1988) was productive during a writing career that spanned the last 49 years of his life; the Robert A. Heinlein bibliography includes 32 novels, 59 short stories and 16 collections published during his life. Four films, two TV series, several episodes of a radio series, at least two songs ('Hijack' by Jefferson Starship and 'Cool Green Hills of Earth' on the 1970 album Ready to Ride and as the b-side of a single by Southwind) and a board game derive more or less directly from his work. He wrote a screenplay for one of the films. Heinlein edited an anthology of other writers' science fiction short stories. Three non-fiction books and two poems have been published posthumously. One novel has been published posthumously and another, an unusual collaboration, was published in 2006. Four collections have been published posthumously. Known pseudonyms include Anson MacDonald (7 times), Lyle Monroe (7), John Riverside (1), Caleb Saunders (1), and Simon York (1). All the works originally attributed to MacDonald, Saunders, Riverside and York, and many of the works originally attributed to Lyle Monroe, were later reissued in various Heinlein collections and attributed to Heinlein. Novels Novels marked with an asterisk * are part of Scribner's "juvenile" series. Early Heinlein novels Rocket Ship Galileo, 1947 * Beyond This Horizon, 1948 (initially serialized in 1942, and at that time credited to Anson MacDonald) Space Cadet, 1948 * Red Planet, 1949 * Sixth Column, 1949 (initially serialized in 1941, and at that time credited to Anson MacDonald) (a.k.a. The Day After Tomorrow) Farmer in the Sky, 1950 (initially serialized in a condensed version in Boys' Life magazine as "Satellite Scout") (Retro Hugo Award, 1951) * Between Planets, 1951 * The Puppet Masters, 1951 (re-published posthumously with excisions restored, 1990) The Rolling Stones, 1952 (a.k.a. Space Family Stone) * Starman Jones, 1953 * The Star Beast, 1954 * Tunnel in the Sky, 1955 * Double Star, 1956—Hugo Award, 1956 Time for the Stars, 1956 * Citizen of the Galaxy, 1957 * The Door into Summer, 1957 Have Space Suit—Will Travel, 1958—Hugo Award nominee, 1959 * Methuselah's Children, 1958 (originally a serialized novella in 1941) Starship Troopers, 1959—Hugo Award, 1960 Middle Heinlein novels Stranger in a Strange Land, 1961—Hugo Award, 1962 (reprinted at the original greater length in 1991) Podkayne of Mars, 1963 Orphans of the Sky, 1963 (fix-up novel comprising the