Frank Einstein and the Space-Time Zipper

In the sixth and final book of the new York Times bestselling Frank Einstein series, Frank Einstein (kid-genius, scientist, and inventor) and his best friend, Watson, along with klink (a self-assembled artificial-intelligence entity) and klank (a mostly self-assembled and artificial almost intelligence entity), once again find themselves in competition with T. Edison, their classmate and archival, this time studying the science and mysteries of the universe!.