Lil' Sass and the Adventure of Sadness, part of The Adventures of Lil' Sass children's emotional wellness book series and accessories, allows readers to join Lil' Sass as she discovers that it's OK to express sadness. In this book, Lil' Sass, a spunky and independent 10-year-old, is sad when her dad moves away. She struggles with understanding how to express what she's feeling. Mrs. Moo, a family friend, gives her advice on how to deal with her sadness, and Sass feels much better.