The third book in the New York Times bestselling series that's full of funny jokes, clever science experiments, and robot hijinks. "I never thought science could be funny . . . until I read Frank Einstein. It will have kids laughing." --Jeff Kinney, Diary of a Wimpy Kid In Frank Einstein and the BrainTurbo, Frank creates the BrainTurbo to power-boost the human body and help his baseball-pitching pal Janegoodall...