Kai is a small green-and-white pumper truck who moves into Firehouse #10. Firehouse #10 has some of the biggest, reddest fire trucks around. So how can Kai fit in with the other fire trucks? When a big fire breaks out, it’s Kai who saves the day From the New York Times bestselling author of The Kissing Hand, Audrey Penn, Kai to the Rescue is a delightful story that celebrates the differences that make every one of us special.