We Are in a Book! An Elephant and Piggie Book

Mo Willems, award-winning, New York Times best-selling creator of The Pigeon, Knuffle Bunny, and Unlimited Squirrels, presents best friends Elephant Gerald and Piggie.
 
Gerald is careful. Piggie is not.
Piggie cannot help smiling. Gerald can.
Gerald worries so that Piggie does not have to.
 
Gerald and Piggie are best friends.
 
In We Are in a Book! Gerald and Piggie discover the joy of being read. But what will happen when the book ends?