Frederik Pohl

Pórtico (La Saga de los Heechee 1)

Tras el incierto horizonte (La Saga de los Heechee 2)

El encuentro (La Saga de los Heechee 3)

Los anales de los Heechee (La Saga de los Heechee 4)

The Fifth Science Fiction Megapack

The Last Theorem

El mantenimiento de la paz

1940s Science Fiction - 20 Classic Science Fiction Short Stories From the 1940s: Bold Journeys Into the Unknown From Sci-Fi’s Golden Age

Lost Sci-Fi Books 336 thru 340: Cosmic Warnings, Brilliant Twists, and Timeless Sci-Fi Adventures

Lost Sci-Fi Books 321 thru 340: Aliens, Miracles, Lost Ships and Cosmic Mysteries Across the Stars

Lost Sci-Fi Books 281 thru 300: Lovecraft, Asimov, Clarke, Bradbury and More

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