Two boys stuck in an unexplained temporal anomaly join forces and try to escape.The middle kid of five, Ezra often feels overlooked in his family; Finn is an only child with adoring parents but no friends. Both boys end up trapped in a 55-hour time loop on their shared bar mitzvah weekend at the Bergenville Hotel in New Jersey. When they figure out what's going on, Finn announces, "We're in this together for some reason. And we're gonna get out together too." They try everything they can think of, from doing good deeds and running a "perfect loop" to winning the lottery to carrying out a bank heist. In the process, they learn about their families, each other, quantum physics, and time travel in the Talmud. The first-person narration alternates between Finn and Ezra; varied chapter lengths effectively help control the pace of the story. Ezra's family attends a different synagogue and is more religious than Finn's, so some of Ezra's explanations to Finn will help readers who are unfamiliar with Judaism. Ultimately, both boys, who read white, learn to look more carefully at what's right under their noses. Facing the ordinary challenges of life is what enables them to break out of their extraordinary "timey-wimey" challenge.Exciting and heartfelt. (Fiction. 10-14)