Additional information
by Penny Warner (Author)
An infamous prison may hold a secret only the Code Busters can uncover.
Cody, Quinn, Luke, and M.E. may all have different talents, but they share one thing in common: they love playing around with codes. In fact, they love codes so much, they have their own club, with a secret hideout and passwords that change every day. When Cody and her friends get a mysterious e-mail hinting at a treasure on Alcatraz Island, they can't wait to get started on their clue hunt. Luckily, a class trip to the prison is the perfect cover to start their search. During the tour, the club members learn that a jewel thief kept at Alcatraz may have hidden his biggest haul on the island and left a series of coded messages to find it. And solving puzzles is what the Code Busters do best This interactive mystery features more than fifteen codes and puzzles for you to decipher along with the Code Busters, including Morse code, the tap code, LEET, and zigzag code. Answers are in the back, if you ever get stuck.
Author Biography
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.
