Robert Silverberg

Zona clonazione

Pianeta senza scampo (Urania)

Manoscritto trovato in una macchina del tempo abbandonata

Time and Time Again

Roma Eterna

Il tempo delle metamorfosi (Urania)

1950s Science Fiction 11 - 27 Science Fiction Short Stories From the 1950s: Time Travel, Alien Worlds, and the Golden Age of Imagination

Lost Sci-Fi Books 341 thru 360: Golden Age Adventures by Philip K. Dick, Ray Bradbury, Harry Harrison, Harlan Ellison & More

Lost Sci-Fi Books 301 thru 320: Robots, Time Travel, Alien Worlds and Visions of Tomorrow

Lost Sci-Fi Books 261 thru 280: Impossible Choices, Distant Worlds, and Unforgettable Futures

Lost Sci-Fi Books 261 thru 280: It Only Gets Worse From Here

Mars and Martians: Legends of the Red Planet