"The story is fast-paced, the chapters are filled with appealing characters, and potentially unfamiliar words are clearly explained. . . . Young readers will be happily caught up in the duo's latest mystery." --School Library Journal Smashie McPerter and her classmates from Room 11 are going on a field trip to the planetarium Nobody is more excited than Smashie's best friend, Dontel, who dreams of becoming an astrophysicist...