Project Hail Mary audiobook cover - A lone amnesiac astronaut wakes beside two corpses in another star system, then discovers humanity's survival depends on solving a cosmic plague—with help from the most unlikely friend in the universe.

Project Hail Mary

A lone amnesiac astronaut wakes beside two corpses in another star system, then discovers humanity's survival depends on solving a cosmic plague—with help from the most unlikely friend in the universe.

Andy Weir

4.5 / 5(408 ratings)

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Project Hail Mary Summary & Overview

Project Hail Mary is a high-stakes science-fiction survival story about Ryland Grace, a former molecular biologist turned middle-school teacher who wakes from a coma aboard a mysterious spacecraft with no memory of who he is or why he is there.

As Grace reconstructs his past, he learns that Earth's sun is being drained by a microscopic alien organism called Astrophage. His mission is to investigate Tau Ceti, the one nearby star mysteriously resistant to the same infection. Alone, terrified, and running out of answers, Grace makes first contact with Rocky, an alien engineer whose world faces the same extinction threat. Together, they must turn physics, biology, and trust into a cure for two civilizations.

Who Should Listen to Project Hail Mary?

  • Listeners who enjoy hard science fiction with real problem-solving, orbital mechanics, biology, and engineering puzzles.
  • Fans of survival stories where humor, logic, and improvisation matter as much as courage.
  • Anyone drawn to emotional first-contact stories built around friendship, sacrifice, and hope.

About the Author: Andy Weir

Andy Weir is an American novelist and lifelong space enthusiast best known for The Martian. A former software engineer, he is known for science-driven plots, witty first-person narration, and meticulous attention to physics, engineering, and spaceflight.

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