Known Space Books in Order

Telepath Larry Greenberg helps investigate an ancient statue recovered from the sea. When an experiment frees the alien trapped inside, Greenberg faces a creature whose power to control minds could threaten everyone living on Earth.

On a colony confined to a plateau above a poisonous atmosphere, the ruling elite harvest organs from ordinary settlers. Matthew Keller becomes involved in a rebellion, and his unusual psychic ability may challenge their seemingly secure control.

These eight Known Space stories follow explorers facing dangerous stars, unfamiliar species, and mysterious alien technology. Beowulf Shaeffer's journeys feature alongside tales involving an ancient empire, a stolen weapon, and the consequences of untreated mental illness.

These three mysteries follow Gil Hamilton, a police investigator whose psychic abilities include an invisible arm. In a future shaped by organ transplantation, he investigates suspicious deaths and crimes connected with the demand for replacement body parts.

An alien travels across space seeking the descendants of his species, while a human smuggler becomes involved in the encounter. Their meeting raises disturbing questions about humanity's origins and introduces a powerful new threat to Known Space.

This collection traces humanity's exploration and settlement of the solar system and nearby stars. Its thirteen stories feature dangerous expeditions, encounters with alien species, organ transplantation, and the first clash between humans and the warlike Kzin.

Gil Hamilton travels to the Moon, where a crime investigation draws him into the politics of a lunar colony. His detective work unfolds in a society where criminals can be executed to supply organs for other people.

This collection follows pilot Beowulf Shaeffer through encounters with neutron stars, alien secrets, kidnappers, and dangerous technology. Six adventures are connected by a framing story in which questions about his past threaten the life he has built.

Five mysteries follow Gil Hamilton, a UN police investigator with psychic abilities, through crimes on Earth and the Moon. Cases involving organ theft and murder accompany a new investigation into a woman's body found in a radioactive crater.