CONTENTS: ~ ~ NOVELETTE: City of the Tiger [John Brunner]; SHORT STORIES: Save Your Confederate Money, Boys [Rosel George Brown]; Halloween for Mr. Faulkner [August Derleth]; I've Been Trying To Tell You [Gordon R. Dickson]; The Gladiator [Thomas Pyne]; Minor Offense [Daniel F. Galouye]; The Comanleigh [Myrle Benedict]; ARTICLES: New in Science [Van Rowe]; Planet of Waste [Lester Del Rey]; The Ants of Ireland's Eye [Wenzell Brown]; Physics of Space [Leslie R. Shepherd]; A Many-Legged Thing [Eric Frank Russell]; The Sinister Flame [Y. ibn Aharon]