A New York City boy whose stress over winning chess matches takes him out of the zone intentionally throws an important match-but losing a chess camp scholarship as a result changes his worldMilo and his mom end up spending the summer in Princeton, New Jersey, with a girl named Roxie, her philosophy professor mother, Nava, and their cats. The two women met through an online group for single moms; both used sperm donors to conceive. Milo, 12, and Roxie, 10, attend a day camp that's filled with younger children, but fortunately, the two are designated counselors-in-training. After the kids meet some grad students who are playing Go, they become intrigued by the complex Asian strategy game. Obsessed, they visit a university library to do research ("free-range" Roxie shows Milo how to sneak in at night after hours) and persuade the counselors to let them teach simplified Go to the campers. Milo, who's longing for his grandma and best friend Henry, and Roxie, who's very intelligent but struggles with social cues, grow closer, devote themselves to Go, and figure out various personal issues. Milo's humorous first-person narration focuses on the philosophical intricacies of Go and his growing relationship with Roxie. Comical interludes show texts between Milo and his grandmother and Henry. Milo and his mom present as Ashkenazi Jews; Roxie and Nava are Persian Jews.A sweet story about friendship between an unlikely pair and the intrigue of an ancient strategy game. (author's note, information about Go, resources)(Fiction. 8-12)