Dash and Rudy are fifth-graders at Euclid Elementary. Dash is a mathematician. Rudy is a standout track athlete, but she's also a mathematician (she just doesn't know it yet). When circumstances result in Dash moving in next door to Rudy, they discover a common interest in mathematics, and a friendship blooms. The Euclid Police need a mathematician's help when a string of burglaries occurs in a very mysterious pattern. Are Dash and Rudy up to the challenge? Can Dash repair a broken relatio...