* "Search for Tomorrow" (1974)
* "Bug Jack Barron" (1969)
* "Earthchild" (1967)
* "Passing Through the Flame" (1976)
* "Outward Bound" (1973)
Short Stories
* "What the Frost Does" (1981)
* "No Place Like Earth" (1976)
* "Long Live the Queen!" (1974)
* "Nobody's Home" (1972)
* "Thing of Beauty" (1969)
* "The House of Compassion" (1968)
* "The Lost Worlds of Hestia" (1967)
* "The Cynosures of Other Eyes" (1967)
* "The Peace Machine" (1966)
Collections
* "The Worlds Beyond" (1983)
* "The Solitudes" (1980)
* "Lifeboats and Other Stories" (1972)
* "Other Americas" (1970)
* "The Death of Time" (1970)
Nonfiction
* "The New Atlantis: A Novel of the Solar System" (2010)
* "Writing Science Fiction & Fantasy" (2005)
* "The Future is Female: 25 Classic Science Fiction Stories By Women" (2004)
* "Dames: Women of the Science Fiction Community" (2003)
* "The Science Fiction Hall of Fame, Volume One, 1929-1964" (2001)
* "The Science Fiction Hall of Fame, Volume Two, 1965-2000" (2001)
* "The Norton Book of Science Fiction: With the Science Fiction Hall of Fame" (1990)
* "New Directions 21" (1978)
* "Modern Science Fiction" (1974)