Foundation

Isaac Asimov

1962 ★ 4.1

The Left Hand of Darkness

Ursula K. Le Guin

1969 ★ 4.2

Foundation and Empire

Isaac Asimov

1952 ★ 4.1

Second Foundation

Isaac Asimov

1969 ★ 4.4

Ringworld

Larry Niven

1970 ★ 3.8

A Fire upon the Deep

Vernor Vinge

1992 ★ 4.2

Ancillary Justice

Ann Leckie

2013 ★ 3.9

Look to windward

Iain Banks

2000 ★ 4.1

Star Wars Trilogy

James Kahn, George Lucas, G. Lucas et al.

1987 ★ 3.7

Shadows in flight

Orson Scott Card

2012 ★ 4.1

Brightness reef

David Brin

1995 ★ 3.5

The Wanderer

Fritz Leiber

1964 ★ 3.0

A Voyage to Arcturus

David Lindsay

1968

The case for Mars

Robert Zubrin

1996

The Phantom Bully

Jeffrey Brown

2015 ★ 5.0

The last human

Zack Jordan

2020 ★ 3.4

Time is the Simplest Thing

Clifford D. Simak

1961

Omnivore

Piers Anthony

1969

Star Trek New Frontier - Blind Man's Bluff

Peter David

2011

Star wars tales

Lucas Maragnon, Michael Lacombe, Thomas Andrews et al.

2006

Star Hunter & Voodoo Planet

Andre Norton

1959

Dead Space

Ben Templesmith, Antony Johnston

2008

Alien Base

Timothy Good

1998

Victory on Janus

Andre Norton

1980

Keeper of the Rings

Nancy Cane

1996

Mother of Eden

Chris Beckett

2015 ★ 3.7

An introduction to astrobiology

Mark A. Sephton, Iain Gilmour, Andrew Conway

2004

Tempting Rever

Laurann Dohner

2011

Clade

James Bradley

2015

Towers of Darkover

Marion Zimmer Bradley

1993