Leslie, Desmond, 1921- Flying saucers have landed / [by] Desmond Leslie and George Adamski. - London : W. Laurie, 1953 [impression 1954] - 232 p. : illus.; 23 cm. Bibliography: p. 231-232. Subjects--Topical Terms: Unidentified flying objects. Dewey Class. No.: 629.133 / LEF 1954