Being a teenage girl is hard enough, but for DeDe Christopher, it is proving impossible. In addition to cliques, books, and boys, she has to worry about capes, apes, and aliens. Last year, DeDe discovered that she possessed fantastic abilities that were strangely similar to those of a comic book character named SkyBoy. With the help of her best friend Jason, a self-professed comic geek, DeDe accepted her legacy and became Sky Girl. Now, DeDe must learn what it means to be a heroine as Sky Girl faces the all too real enemies and allies of SkyBoy, including the clever Quizmaster, the beautiful Penny Pound, the enigmatic Jersey Devil, and the magical MissTick. DeDe must also face personal challenges as she discovers the secrets of her late father and his connection to Skyboy -secrets that will affect Sky Girl's destiny.