Project Hail Mary Age Rating: What Age Is It Right For?

Ryland Grace wakes up alone on a spacecraft with no memory of who he is or why he's there, and gradually pieces together that he is humanity's last hope against a solar catastrophe a mission that will consume his entire life. When he makes an unexpected and remarkable contact with an alien entity, the novel becomes a first-contact story of joyful scientific collaboration and genuine interspecies friendship. Weir's warmest and most emotionally satisfying novel.