"The Day the Crayons Came Home" is a children's book written by Drew Daywalt and illustrated by Oliver Jeffers. It is a sequel to the popular book "The Day the Crayons Quit." In this story, Duncan, the main character, receives postcards from his crayons, who have gone on various adventures and are expressing their feelings about being left behind or forgotten. Each crayon shares its unique experience, highlighting themes of friendship, creativity, and the importance of being appreciated. The book uses humor and colorful illustrations to engage young readers while conveying messages about empathy and understanding the perspectives of others.