"Knuffle Bunny" is a children's picture book written by Mo Willems. It tells the story of a little girl named Trixie who goes on an adventure to find her beloved stuffed bunny, Knuffle Bunny. The story highlights the bond between a child and their favorite toy, showcasing the emotions that arise when it goes missing. The book is notable for its unique combination of hand-drawn illustrations and real-life photographs of Brooklyn, New York. This creative approach enhances the storytelling, making it engaging for young readers. "Knuffle Bunny" has received critical acclaim and won several awards, including the Caldecott Honor.