Includes an excerpt from Frank Einstein and the bio-action gizmo.

New York Times Bestseller "I never thought science could be funny . . . until I read Frank Einstein. It will have kids laughing." —Jeff Kinney, Diary of a Wim

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, pai

"Huge laughs and great science—the kind of smart, funny stuff that makes Jon Scieszka a legend." —Mac Barnett, author of Battle Bunny and The Terrible Two F

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, W