In This Article
- A standalone next book, roughly a year out
- Why Project Hail Mary: A Novel is not getting a follow-up yet
- Weir's other project: Exoplanet on Audible
Andy Weir has said he has no plans for a Project Hail Mary sequel, because he doesn't currently have an idea he considers good enough. The comments were reported by Screen Rant on 28 October 2026.
The author did offer a consolation: his next novel is under way, and it is not a follow-up to anything he has written.
A standalone next book, roughly a year out
Weir described the manuscript in progress to Screen Rant as "another standalone novel, not a sequel to anything, and that's coming along well," as quoted by Yahoo. He has not revealed its premise beyond saying it is science fiction, according to Screen Rant.
On timing, Mandatory reports that Weir joked about the feedback stage sending him into three days of "crying and questioning whether or not I should really be an author" before he starts fixing things. He estimates that cycle of edits puts the release about a year away, a point ComingSoon also notes in concluding that a sequel is not happening soon.
Slashfilm adds that the new book will tackle artificial intelligence.
Why Project Hail Mary: A Novel is not getting a follow-up yet
The film adaptation of Project Hail Mary grossed $684 million and scored 95% on Rotten Tomatoes, ComingSoon reports. That success makes a sequel an obvious commercial prospect, which gives Weir's refusal to force one some weight.
His stated reason is creative rather than contractual: the spark is missing. It is also consistent with his habit of starting fresh, since The Martian, Artemis and Project Hail Mary are each self-contained, as People noted when he said the new book is not a sequel to anything else he has written.
Weir's other project: Exoplanet on Audible
Fans waiting on the novel have something else to listen to in the meantime. Weir executive-produced Exoplanet, an Audible original time-travel audiobook by Benjamin Percy, which Polygon reports launches on 5 November.
Project Hail Mary follows Ryland Grace, a junior high school science teacher who wakes aboard a spacecraft with no memory and sole responsibility for saving humanity. Want the full verdict?
Frequently Asked Questions
Is there a Project Hail Mary sequel?
No. Andy Weir says he has no plans for a sequel at present because he doesn't have an idea he considers good enough.
When is Andy Weir's next novel coming out?
Weir estimates, based on his edit cycle, that the release is about a year away, as reported on 28 October 2026.
Is Andy Weir's next book a sequel to Project Hail Mary: A Novel?
No. He describes it as another standalone novel and not a sequel to anything he has written.
What is Exoplanet and how is Andy Weir involved?
Exoplanet is an Audible original time-travel audiobook by Benjamin Percy, which Weir executive-produced. It launches on 5 November.
Is Project Hail Mary: A Novel worth reading?
It is a hard science fiction bestseller that was a Hugo Award finalist for Best Novel. Our review gives the full verdict.
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