For readers of Jonathan Franzen and Nathan Hill comes a haymaker of an American novel about a missing teenage boy, cases of fluid and mistaken identity, and the transformative power of boxing.

Austin, Texas: It’s the summer of 1998, and there’s a new face on the scene at Terry Tucker’s Boxing Gym. Sixteen-year-old Nathaniel Rothstein has never felt comfortable in his own skin, but under the tutelage of a swaggering, Haitian-born ex-fighter named David Dalice, he begins to come into his own. Even the boy’s slightly stoned uncle, Bob Alexander, who is supposed to be watching him for the summer, notices the change. Nathaniel is happier, more confident—tanner, even. Then one night he vanishes, leaving little trace behind.

Across the city, Charles Rex, now going simply by “X,” has been underg...

For readers of Jonathan Franzen and Nathan Hill comes a haymaker of an American novel about a missing teenage boy, cases of fluid and mistaken identity, and the transformative power of boxing.

Austin, Texas: It’s the summer of 1998, and there’s a new face on the scene at Terry Tucker’s Boxing Gym. Sixteen-year-old Nathaniel Rothstein has never felt comfortable in his own skin, but under the tutelage of a swaggering, Haitian-born ex-fighter named David Dalice, he begins to come into his own. Even the boy’s slightly stoned uncle, Bob Alexander, who is supposed to be watching him for the summer, notices the change. Nathaniel is happier, more confident—tanner, even. Then one night he vanishes, leaving little trace behind.

Across the city, Charles Rex, now going simply by “X,” has been underg...