New friends and a mystery help Aden, thirteen, adjust to middle school and life at a dying western theme park in a new state, where her being born armless presents many challenges.

Welcome to Nowhere, Arizona, the least livable town in the United States. For Gus, a bright 13-year-old with dreams of getting out and going to college, life there is made even worse by Bo Taylor, Nowhere's biggest, baddest bully. When Bo tries to force Gus to eat a dangerously spiny cactus, Rossi Scott, one of the best racers in Nowhere, comes to his rescue--but in return she has to give Bo her prized dirt bike. Determined to buy it back, Gus agrees...