Les Animaux dénaturés by Vercors (in French), anthropologists find "missing links" in New Guinea, sparking a trial over their humanity after a scientist kills a hybrid offspring.
Ballroom of the Skies by John D. MacDonald, leaders of an intergalactic empire are always chosen from among humans but must first be tested by extreme hardship.
City by Clifford D. Simak, a collection of interconnected stories exploring humanity's future and its interactions with robots and aliens.
Double Jeopardy by Fletcher Pratt, tackles industrial espionage and a locked-room mystery, both linked to a revolutionary matter-duplication process.
Foundation and Empire by Isaac Asimov, continues the saga of the Foundation as it confronts challenges from within and without the galaxy.
The Long Loud Silence by Wilson Tucker, Corporal Gary survives a post-apocalyptic America, facing quarantine, cannibals, and military, ultimately reuniting with a fellow survivor.
Player Piano by Kurt Vonnegut, dystopian novel exploring the consequences of automation and its impact on society.
Sentinels From Space by Eric Frank Russell, Captain David Raven must stop a mutant-led war for Mars and Venus's independence to keep humanity united for interstellar contact.
The Sound of His Horn by Sarban, an alternate history where a Nazi officer hunts humans for sport in a dystopian future.
The Weapon Makers (revised edition) by A. E. van Vogt, explores a future society where advanced weapons technology plays a crucial role in political power struggles.[nb 2]
Five Against Venus by Philip Latham (juvenile), the Robinson family crash-lands on Venus, survives with a scientist's help, and discovers a valuable antibiotic from a nuisance mold.
Mists of Dawn by Chad Oliver (juvenile), Dr. Nye's space-time machine sends his nephew to 50,000 BC, where he must survive for two weeks with minimal supplies.
Son of the Stars by Raymond F. Jones (juvenile), a teenager discovers an alien survivor and works to protect him from the military while signaling for his rescue.