Knuffle Bunny Too by Mo Willems. Trixie is a few years older and she's starting school. At her school, one of her classmates has the same Bunny. A fight ensures between her and her classmate. Their Knuffle bunnies get taken away. At the end of school the pair are given their bunnies back, but the Knuffle Bunnies get mixed-up. Trixie's parents end-up calling Trixie's classmate's parents and the two switch bunnies. The two then become good friends. Good for children three and above.