Get ready for a gnarly ninjitsu adventure with Leonardo, Raphael, Donatello, and Michelangelo! When the evil Shredder and his henchmen, Bebop, and Rocksteady, unleash a malevolent robot named Metalhead, it's up to the Teenage Mutant Ninja Turtles to save the day. Featuring the iconic art style from cutting edge toymaker Funko POP!, this action-packed storybook is perfect for children ages 2 to 5-and fans and collectors of all ages.