swap_horiz Double Star Alternatives

1

The Sirens of Titan

The Sirens of Titan is a science fiction novel by American author Kurt Vonnegut, originally published in 1959. The narra...

Space Opera Classic Satirical Determinism

9.2 Excellent

2

Foundation and Empire

Foundation and Empire is a science-fiction novel by Isaac Asimov, first published in 1952 as the second book in the orig...

Classic Sequel Isaac Asimov Galactic Empire

9.1 Excellent

3

Permutation City

Permutation City is a science fiction novel by Australian author Greg Egan, published in 1994. It explores questions of...

Modern Simulation Hard SF Identity

9.0 Excellent

4

Second Foundation

Second Foundation is a science fiction novel by Isaac Asimov, originally published in 1953 as the third book in the Foun...

Classic Series Psychohistory Isaac Asimov

8.8 Great

5

Dragon's Egg

Dragon's Egg is a 1980 hard science fiction novel by American physicist Robert L. Forward. Set on the surface of a neutr...

Classic Hard SF Neutron Star Robert Forward

8.6 Great

6

Have Space Suit—Will Travel

"Have Space Suit—Will Travel" is a 1958 science fiction novel by Robert A. Heinlein, originally published as one of his...

Classic Golden Age Ya Space Adventure

8.4 Great

7

Citizen of the Galaxy

"Citizen of the Galaxy" is a 1957 science fiction novel by Robert A. Heinlein, originally published as one of the Scribn...

Space Opera Classic Slavery Ya

8.4 Great

8

God Emperor of Dune

God Emperor of Dune is a science-fiction novel by American writer Frank Herbert, first published in 1981 and fourth in t...

Space Opera Classic Sequel Tyrant

8.4 Great

9

2010: Odyssey Two

2010: Odyssey Two is a science-fiction novel by Arthur C. Clarke, published in 1982 as the sequel to 2001: A Space Odyss...

Classic AI Sequel Arthur C Clarke

8.2 Great

10

To Your Scattered Bodies Go

To Your Scattered Bodies Go is a 1971 science fiction novel by Philip José Farmer and the first book in the Riverworld s...

Classic Series Resurrection Philip Jose Farmer

8.1 Great

11

Tunnel in the Sky

Tunnel in the Sky is a juvenile science fiction novel by Robert A. Heinlein, published in 1955 as part of his series of...

Classic Survival Ya Robert Heinlein

8.0 Great

12

The Door into Summer

The Door into Summer is a science fiction novel by American author Robert A. Heinlein, originally serialized in 1956 and...

Classic Time Travel Inventor Golden Age

8.0 Great

13

The Puppet Masters

The Puppet Masters is a science fiction novel written by Robert A. Heinlein, first published in 1951. The narrative foll...

Classic Paranoia Alien Robert Heinlein

7.7 Good

14

Methuselah's Children

"Methuselah's Children" is a 1958 science fiction novel by American author Robert A. Heinlein, notable for expanding his...

Classic Longevity Space Series

7.6 Good

15

Waldo and Magic, Inc.

"Waldo and Magic, Inc." is a 1950 compilation volume containing two separate science fiction novellas by American author...

Classic Golden Age Short Fiction Robert Heinlein

7.6 Good

16

Between Planets

Published in 1951, "Between Planets" is a juvenile science fiction novel by Robert A. Heinlein. The story follows Don Ha...

Classic Colonial Ya Venus

7.3 Good

17

Space Cadet

"Space Cadet" is a science fiction novel published in 1948 by American author Robert A. Heinlein. Written as part of his...

Classic Military SF Golden Age Ya

7.2 Good

18

Podkayne of Mars

Podkayne of Mars is a science-fiction novel by Robert A. Heinlein, published in hardcover in 1963 after magazine seriali...

Adventure Classic Mars Ya

6.6 Fair

19

Time Enough for Love

Time Enough for Love is a 1973 science fiction novel by Robert A. Heinlein following the incredibly long life of the imm...

Classic Longevity Series Speculative

6.5 Fair

20

Rocket Ship Galileo

Rocket Ship Galileo is a 1947 novel by Robert A. Heinlein about teenagers traveling to the Moon, notable as a pioneering...

Classic Lunar Golden Age Ya

5.9 Mediocre