Dr. Futurity

Dr. Futurity is a 1960 science fiction novel by American writer Philip K. Dick. It is an expansion of his earlier short story "Time Pawn", which first saw publication in the summer 1954 issue of Thrilling Wonder Stories. Dr. Futurity was first published as a novel by Ace Books as one half of Ace Double D-421, bound dos-à-dos with John Brunner's Slavers of Space.