Wandl the Invader / I Speak For Earth (Ace Double D-497)
Ace Books, January 1961. Mass Market Paperback. Good used copy. Includes both I Speak For Earth by Weith Woodcott (John Brunner) and Wandl The Invader by Ray Cummings. Ace Double Novel Book D-497. Some wear on spine, interior clean and unmarked. More