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Read before Project Hail Mary

Based on Project Hail Mary by Andy Weir. A movie · Theaters · Released

Released
Out now
since Mar 20, 2026
Estimated reading time
≈ 9 h 55 min
496 pages × 1.2 min
FormatMovie
Where to watchTheaters
Studio / platformAmazon MGM Studios
ReleaseMar 20, 2026

Status: Released in US theaters March 20, 2026.

Ryan Gosling stars in the adaptation of Andy Weir's science-fiction novel. Already out, so it is a read-then-watch catch-up.

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View “Project Hail Mary” on Open Library

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Sources

Dates last checked Oct 18, 2026. Reading time uses Open Library's median page count across editions at about 1.2 minutes per page, so it is a rough guide. Release dates change; if one looks wrong, check the sources above.

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