swap_horiz Time Enough for Love 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

The Expanse: Tiamat's Wrath

Tiamat's Wrath is a science fiction novel published in 2019 by James S. A. Corey, the pen name used by collaborators Dan...

Modern Space Opera Series Resistance

9.1 Excellent

3

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

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

Double Star

"Double Star" is a science fiction novel written by Robert A. Heinlein, first published in 1956 as a serial in Astoundin...

Classic Identity Political Golden Age

8.4 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

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

9

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

10

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

11

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

12

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

13

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

14

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

15

Deathworld

"Deathworld" is a 1960 science fiction novel by American author Harry Harrison, originally serialized in the magazine As...

Classic Series Alien Harry Harrison

7.2 Good

16

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

17

Infernal Devices

Infernal Devices is a 1987 steampunk novel by K. W. Jeter and the first book in a sequence that continues with Fiendish...

Classic Steampunk Series Kw Jeter

6.9 Fair

18

The Fabulous Riverboat

The Fabulous Riverboat is a science-fiction novel by Philip José Farmer published in 1971 and the second book in his Riv...

Classic Series Sequel Philip Jose Farmer

6.8 Fair

19

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

20

Rocket Ship Galileo

Rocket Ship Galileo is a juvenile science-fiction novel by Robert A. Heinlein, first published in 1947. It follows three...

Classic Lunar Golden Age Ya

5.9 Mediocre