On Friday, Project Hail Mary opened in theaters to rave reviews and an impressive $80m in domestic box-office. If you’re a librarian, you saw it coming—a flood of patrons eager to read Andy Weir’s original 2021 novel before the movie adaptation came out. It may have seemed like the book was as popular—or more popular!—than ever. And you’re expecting that to continue, as interested movie-goers head to the library to get the complete story. Syndetics Unbound can put numbers to what you saw.