Contents

9 • The Trans-Galactic Twins • George O. Smith
46 • Way of Escape • William F. Temple
56 • Consulate • William Tenn
71 • The Metal Lark [Oona and Jick] • Margaret St. Clair
78 • . . . and the Moon Be Still as Bright [The Martian Chronicles] • Ray Bradbury*
92 • Ahead of His Time • Ray Cummings
109 • The Knowledge Machine • Edmond Hamilton
117 • Space-Can • Murray Leinster

* ". . . and the Moon Be Still as Bright" was altered for book publication to better fit the continuity of The Martian Chronicles.