Greater Foundation Books in Order

Robopsychologist Susan Calvin recalls cases involving machines governed by the Three Laws of Robotics. These linked stories follow engineers and robots through apparent malfunctions, conflicting instructions and ethical puzzles as robotic intelligence becomes increasingly important to human society.

A laboratory accident sends retired tailor Joseph Schwartz into Earth's distant future. Stranded on a radioactive world despised by the Galactic Empire, he becomes entangled in political tensions and a dangerous struggle over humanity's ancient home.

Hari Seldon's science of psychohistory predicts the Galactic Empire's collapse. He establishes a Foundation on distant Terminus to preserve knowledge and shorten the coming dark age, leaving successive generations to face crises involving religion, trade and political power.

After learning that the Tyranni have killed his father, young Biron Farrill finds his own life threatened. His flight from Earth draws him into the politics of conquered planets and a search for resistance to their rulers.

The Foundation confronts both the remnants of imperial military power and the mysterious Mule, whose abilities challenge psychohistory's predictions. This volume follows the struggle to protect Hari Seldon's plan as familiar political calculations become increasingly unreliable.

On Florina, an exploited world valuable for its kyrt crop, an amnesiac man called Rik begins recovering disturbing memories. His warning of planetary catastrophe threatens powerful interests, drawing him into a struggle involving rulers, spies and concealed scientific knowledge.

The Mule searches for the hidden Second Foundation, hoping to eliminate the force that might oppose him. Later, the First Foundation begins its own hunt, turning the fate of Seldon's plan into a contest of suspicion and mental power.

On an overcrowded Earth, detective Elijah Baley investigates the murder of a prominent Spacer scientist. Assigned the humanoid robot R. Daneel Olivaw as his partner, he must navigate hostility toward robots and tensions between Earthpeople and the Spacers.

Elijah Baley and his robot partner R. Daneel Olivaw investigate a murder on Solaria, where people avoid physical contact and rely on robots. The killing challenges the colony's social customs and assumptions about what its machines can do.

Susan Calvin and engineers Powell and Donovan confront more problems involving positronic robots. These stories investigate strange behavior and dangerous failures, testing the practical and ethical complications that arise when people depend on machines governed by the Three Laws.

Exiled councilman Golan Trevize joins a historian in a search for the legendary planet Earth. Their journey also tests rumors that the Second Foundation survives, while another force appears to be influencing the galaxy’s future.

Detective Elijah Baley travels to Aurora to investigate the destruction of an advanced humanoid robot. Working with R. Daneel Olivaw, he must examine evidence against a roboticist while political tensions place Earth’s future expansion into space at risk.

Settler traders encounter deadly robots on Solaria after its human population disappears. Gladia travels there with Daneel and Giskard, drawing the robots into a conflict between human societies and a conspiracy threatening Earth that challenges their governing laws.

Uncertain about his decision concerning humanity's future, Golan Trevize searches for the long-lost planet Earth. Accompanied by historian Janov Pelorat and Bliss, he travels among unfamiliar worlds, seeking evidence that could explain his choice.

This collection brings together robot stories and other science fiction, including a robot's unsettling dream and a machine determined to remain hidden. Asimov uses technological puzzles to explore human judgment, invention, and the limits of understanding.

Hari Seldon arrives on Trantor to present his theory of psychohistory, which might predict humanity's future. Imperial interest in his work turns the young mathematician into a wanted man as he seeks to understand his theory's possibilities.

This collection combines robot stories with essays about robots, gathering work written across five decades. Asimov explores relationships between people and machines through fictional dilemmas and nonfiction reflections, including a title story that brings robots into time travel.

On Trantor, Hari Seldon works to turn psychohistory into a tool for predicting humanity's future as the Galactic Empire weakens. Political upheaval and personal losses complicate his effort to establish the foundations of a plan that could outlast him.