CONTENTS: ~ ~ NOVELETTES:.. Call Him Nemesis [Donald E. Westlake];.. The Frozen Planet [Keith Laumer];.. The Valley of the Masters [Charles Minor Blackford] SHORT STORIES:.. The Girls from Fieu Dayol [Robert F. Young];.. Lorelei [Charles V. De Vet];.. Mirror Image [Daniel F. Galouye];.. Spawning Ground [Lester del Rey];.. Tolliver's Orbit [H. B. Fyfe]; ARTICLE:.. Monoliths and Miracles [Theodore Sturgeon]