Published by Mercury Press, NY, 1964
Magazine / Periodical
Single Issue Magazine. Condition: Good+ to Very Good-. Vol. 26, No. 6. Edited by Avram Davidson. Cover art by Ed Emsh illustrating "The Triumph of Pegasus" (novelet) by F. A. Javor. Includes "The Master of Altamira" by Stephen Barr; "Books" (feature) by Avram Davidson; "The Peace Watchers" by Bryce Walton; "Trade-In" by Jack Sharkey; "Time-Bomb" (verse) by Arthur Porges; "Medical Radiotracers" by Theodore L. Thomas; "Cynosure" by Kit Reed; "The Third Bubble" by G. C. Edmondson; "The Search" by Bruce Simonds; "The Thing from Outer Space and the Prarie Dogs" by Gahan Wilson; "Science: The Heavenly Zoo" by Isaac Asimov; "Forwarding Service" by Willard Marsh; "The Unknown Law" (short novelet) by Avram Davidson; "Editorial"; "F&SF Marketplace"; "Index to Volume XXVI". Two small frotn cover losses visible in sca; tanning; creasing; minor rear cover soil.