We Are Legion (We Are Bob)Dennis E. Taylor
Your next read
We Are Legion (We Are Bob)
Why try it
For humorous space exploration and an audiobook narrated by Ray Porter; the series has a broader, continuing storyline.
Your next chapter · Science fiction
5 Books Like Project Hail Mary
If you loved Andy Weir's ingenious scientific problem-solving, an isolated space mission, and an unexpected friendship, start here.
A good next read doesn't have to repeat the same plot. These suggestions follow different connections to Project Hail Mary; use the explanation beside each pick to find the experience you want more of.
The picks below come from linked reading discussions and read-alike sources. “Why try it” explanations are editorial summaries. Order is a browsing guide, not a measured similarity ranking. How we choose →
All Systems RedMartha Wells
Your next read
All Systems Red
Why try it
For a funny, distinctive science-fiction narrator and brisk action. It is less focused on explaining scientific problems.
SevenevesNeal Stephenson
Your next read
Seveneves
Why try it
For scientists confronting a threat to humanity from space, with a larger cast and a much wider scope.
House of SunsAlastair Reynolds
Your next read
House of Suns
Why try it
A more serious and expansive space-fiction option mentioned in the discussion; choose it for scale rather than Weir’s humour.
The MartianAndy Weir
Your next read
The Martian
Why try it
For another resourceful protagonist working through practical science problems under extreme pressure.
Finding your kind of similar
Which book should I read after Project Hail Mary?
Start with the connection you want to keep: ingenious scientific problem-solving, an isolated space mission, and an unexpected friendship. Read the reasons above rather than treating the first suggestion as a universal best match. A change of tone or pacing can make a book feel very different even when the themes overlap.
Are these sequels or independent recommendations?
This is a read-alike list, rather than a reading order for Project Hail Mary. Some suggestions begin their own series. Check the linked book information for the appropriate starting volume and whether the series is complete.
Where do these suggestions come from?
The sources below informed this list. Individual recommendations link back to the discussion or read-alike page in which they appeared. Connections are described in our own words; inclusion does not imply unanimous reader agreement.
Sources & further reading
Explore the original context, including reader preferences and differing opinions.
Keep your reading list growing
All lists →The MartianAndy Weir
Science fiction
Books like The Martian
Andy Weir
4 books to exploreDark MatterBlake Crouch
Science fiction
Books like Dark Matter
Blake Crouch
4 books to exploreDuneFrank Herbert
Science fiction
Books like Dune
Frank Herbert
4 books to exploreRed RisingPierce Brown
Science fiction
Books like Red Rising
Pierce Brown
4 books to explore