Frank Einstein and the Bio-Action Gizmo (Frank Einstein Series #5): Book Five

In the fifth book of the New York Times bestselling Frank Einstein series, Frank Einstein (kid genius, scientist, and inventor) and his best friend, Watson, pair up with Klink (a self-assembled artificial-intelligence entity) and Klank (a mostly self-assembled and artificial almost intelligence entity) to compete with T. Edison, their classmate and archrival. This time they’re studying the science and mysteries of our very own home planet: Earth!