Super Short Summary

After his mother's death, 13-year-old Jack Baker, struggling with grief and loneliness, is enrolled in a boarding school in Maine, where he befriends Early Auden, an eccentric classmate grieving his own losses. The two set off on an adventure to find a legendary bear, guided by Early's belief in the story told by the number pi, encountering various characters and challenges that shape their understanding of empathy and alternate perspectives.