Andy Weir is an American science fiction author and former software engineer whose hard-SF novels celebrate human ingenuity, scientific problem-solving, and survival against impossible odds.
Andy Weir self-published The Martian on his website in 2011 before it was picked up by a publisher and adapted into a blockbuster film. It made him one of the most successful debut novelists in science fiction history and established a template he has since refined: a technically detailed survival story with a wisecracking protagonist and an almost relentless focus on problem-solving over plot or character depth.
Project Hail Mary is widely considered his best work. An astronaut wakes alone on a spacecraft with no memory of how he got there, slowly recovers the mission context, and discovers he may be the only person capable of saving civilization. The puzzle-solving structure is brilliantly executed, the science (hard SF but accessible) is fascinating, and the central relationship that develops in the novel’s second half is more genuinely moving than anything Weir had previously achieved. It is a book that earns its emotional moments because it does not rush toward them.
The Martian made Weir famous, and it remains a tremendous read — funny, tense, and enormously satisfying in its procedural detail. The weakness common to both books, and to Weir’s work generally, is that characterization runs shallow: his protagonists are clever and likable but not particularly complex, and the worlds they inhabit are populated with characters who largely exist to be useful to the plot. For readers who want hard science presented with humor and momentum, Weir delivers better than almost anyone working in the genre today.