An early reader based on the LEGO Batman Movie, narrated by Robin, the Boy Wonder.

When Bruce Wayne adopts Dick Grayson, Dick discovers that "Bruce Wayne is . . . Batman's roommate!" Now Batman wants this special kid's help on a brand-new mission to take down the Joker. Featuring special appearances from Alfred, Superman, and more. Includes full-color images from the film, plus a full sheet of stickers!