最喜歡洗澡繪本

"The Very Hungry Caterpillar" by Eric Carle is a classic children's book that is not specifically about bathing, but it does feature a caterpillar eating through various foods, including a juicy watermelon, which could be seen as a fun and messy activity similar to playing in the bath. The book is known for its colorful illustrations and is a favorite among many children.