Jack Williamson. (Contributor) H.W. Wessow. (Cover) "ASTOUNDING STORIES: APRIL, 1931." W.M. Clayton. New York (1931) First edition. Near fine in pictorial printed wrappers. Apart from a few tiny edge nicks on rear cover and light toning to text, a superb copy. Features Jack Williamson's "The Lake of Light." Also Edmond Hamilton's "Monsters of Mars." Paul Ernst story as well.