Knight, Damon (ed.), Orbit 1, Putnam, New York, 1966.
Knight, Damon (ed.), Orbit 2, Putnam, New York, 1967.
Knight, Damon (ed.), Orbit 3, Berkley Medallion, New York, 1968.
Knight, Damon (ed.), Orbit 4, Putnam, New York, 1968.
Knight, Damon (ed.), Orbit 5, Putnam, New York, 1969.
Knight, Damon (ed.), Orbit 6, Putnam, New York, 1970.
Knight, Damon (ed.), Orbit 7, Putnam, New York, 1970.
Knight, Damon (ed.), Orbit 8, Putnam, New York, 1970.
Knight, Damon (ed.), Orbit 9, Putnam, New York, 1971.
Knight, Damon (ed.), Orbit 10, Putnam, New York, 1972.
Knight, Damon (ed.), Orbit 11, Putnam, New York, 1972. SBN: 399-10981-1
Knight, Damon (ed.), Orbit 11, Berkley Medallion, New York, 1972. SBN: 425-02318-8
Knight, Damon (ed.), Orbit 12, Putnam, New York, 1973.
Knight, Damon (ed.), Orbit 13, Putnam, New York, 1974.
Knight, Damon (ed.), Orbit 14, Harper & Row, New York, 1974.
Knight, Damon (ed.), Orbit 15, Harper & Row, New York, 1974. ISBN: 0-06-012439-3
Knight, Damon (ed.), Orbit 16, Harper & Row, New York, 1975. ISBN: 0-06-012437-7
Knight, Damon (ed.), Orbit 17, Harper & Row, New York, 1975.
Knight, Damon (ed.), Orbit 18, Harper & Row, New York, 1976.
Knight, Damon (ed.), Orbit 19, Harper & Row, New York, 1977. ISBN: 0-06-012431-8
Knight, Damon (ed.), Orbit 20, Harper & Row, New York, 1978. ISBN: 0-06-012429-6
Knight, Damon (ed.), Orbit 21, Harper & Row, New York, 1980.