Pt. 1. Wonders of earth and of man. John Thomas's cube / John Leimert -- Hyperpilosity / L. Sprague de Camp -- Thing in the woods / Fletcher Pratt & B. F. Ruby -- And be merry / Katherine MacLean -- Bees from Borneo / Will H. Gray -- Rag thing / David Grinnell -- Conqueror / Mark Clifton -- pt. 2. Inventions, dangerous and otherwise. Never underestimate / Theodore Sturgeon -- Doorbell / David H. Keller -- Subway named Mobius / A. J. Deutsch -- Backfire / Ross Rocklynne -- Box / James Blish -- Zeritsky's law / Ann Griffith -- Fourth dynasty / R. R. Winterbotham -- pt. 3. From outer space. Color out of space / H. P. Lovecraft -- Head hunters / Ralph Williams -- Star dummy / Anthony Boucher -- Catch that Martian / Damon Knight -- Shipshape home / Richard Matheson -- Homo sol / Isaac Asimov -- pt. 4. Far traveling. Alexander the bait / William Tenn -- Kaleidoscope / Ray Bradbury -- Nothing happens on the moon / Paul Ernst -- Trigger tide / Wyman Guin -- Plague / Murray Leinster -- Winner lose all / Jack Vance -- Test piece / Eric Frank Russell -- Environment / Chester S. Geier -- pt. 5. Adventures in dimension. High threshold / Alan E. Nourse -- Spectator sport / John D. MacDonald -- Recruiting station / A.E. van Vogt -- Stone and a spear / Raymond F. Jones -- What you need / Lewis Padgett -- Choice / W. Hilton-Young -- pt. 6. World of tomorrow. War against the moon / Andre Maurois -- Pleasant dreams / Ralph Robin -- Manners of the age / H. B. Fyfe -- Weapon / Fredric Brown -- Scarlet plague / Jack London -- Heritage / Robert Abernathy -- History lesson / Arthur C. Clarke -- Instinct / Lester del Rey -- Counter charm / Peter Phillips.
