Emotional wellness children's book series and accessories on a mission for kids and adults to have a healthier, more responsible and resilient relationship with their emotions Lil' Sass and the Adventure of Anger, 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 anger when done in a healthy way. In this book, Lil' Sass, a spunky and independent 10-year-old, explores why she's angry and learns how to express her anger in a healthy way.