Mixing illustrations with beautiful black and white photographs of Brooklyn, this funny story tells how Trixie and Knuffle Bunny's trip to the laundromat with Dad goes terribly wrong when Trixie realizes some bunny's been left behind!  Will Trixie and Knuffle Bunny reunite?  Find out with your very own hardcover copy of Knuffle Bunny: A Cautionary Tale, signed by author Mo Willems.