Frank Einstein and the Bio-Action Gizmo (Frank Einstein Series #5)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!