The "Smart Girl's Guide to Knowing What to Say" by Patti Kelley Criswell is a trade paperback book published by American Girl Publishing, Incorporated in 2011. It is a comprehensive guide aimed at helping young girls navigate through various social situations, relationships, and life stages. The book covers topics such as dating, friendships, and building confidence, making it a valuable resource for teenage girls looking for guidance on how to express themselves effectively in different situations. With 120 pages and written in English, this book offers practical tips and advice on communication and self-esteem for young readers.