Penny Warner has published more than 50 books, both fiction and nonfiction, for adults and children. Her middle-grade mystery, Mystery of the Haunted Caves, won an Agatha Award. Warner has a bachelor's degree in child development and a master's degree in special education. She teaches child development at Diablo Valley College in San Roman, CA, and writing at conferences across the country. She belongs to Mystery Writers of America, Sisters in Crime, SCBWI, California Writers Club, and Women Writing the West. Warner has appeared on television featuring ideas from her books, including the national Dr. Spock PBS series, Parent Sense, Later Today, HGTV, Channel 7 News, People Are Talking, Mornings on 2, and dozens of others. She pens a weekly newspaper column on family life and writes for popular websites including NancyDrewForever.com, ToysRUs.com, Fisher-Price.com, DrSpock.com, ParentalWisdom.com, andSIGNews.org. She and her husband, Tom, write interactive mysteries as fund-raisers for libraries across the country. Warner lives in Danville, CA. You can visit her online at www.pennywarner.com.