Frog and Toad are Friends is a book of short stories by Arnold Lobel that depict the friendship between Frog and Toad. The document provides a teacher's guide for a unit plan integrating the book across various subjects. Activities include reading comprehension, writing assignments, art projects, math games and more. The overarching theme is friendship, with lessons teaching students what makes a good friend and how Frog and Toad demonstrate kindness toward each other.