# Project Hail Mary

> Andy Weir’s novel reached one million US print sales in its film adaptation’s year.

- Owner: Andy Weir; Ballantine Books (print publisher); Audible Studios (audio publisher)
- Kind: Book
- Sector: Entertainment
- Seed date: 2021-05-04
- Observed peak date: Week of Mar 26, 2026
- Date basis: Observed peak within the documented measurement window; not an all-time maximum. Dates use the stated precision; chart positions are date anchors.
- Spread Score: 47 (Notable), v1.2
- Mechanics: Platform jump, Identity badge, Revival

## Summary

The novel reached print and ebook charts in 2021, then developed a Rocky fandom. Film publicity revived book demand. BookScan recorded more than one million US print sales in 2026; Audible separately claimed more than three million audiobooks sold.

## Timeline

- 2020-03-27 — Ryan Gosling (Press) — Gosling was announced as the star and producer of a planned adaptation of the forthcoming novel.
- 2021-02-02 — Publishers Weekly (Press) — Publishers Weekly reviewed the forthcoming novel and described its science and humor.
- 2021-05-04 — Andy Weir / Ballantine Books (Retail) — Ballantine published the novel about Ryland Grace’s mission to save Earth.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/project-hail-mary

Cite as: How It Spread (2026). “Project Hail Mary.” Case HIS-01248. Spread Score v1.2: 47/100. Updated 2026-10-22. https://howitspread.com/id/HIS-01248