This translation originally published, New York: Walker, 1970; London: Faber, 1971. - Translation of 'Solaris'. Warszawa [Warsaw]: Wydawnictwo Ministerstwa Obrony Narodowej, 1961.
Solaris by Stanisław Lem. ISBN 0099063808. Published by Arrow Books in 1973. Publication and catalogue information, links to buy online and reader comments.