The Kiki Strike books are a series of action/mystery/adventure books written for young adults by Kristen Miller. It centers on Ananka Fishbein, a teenage bookworm whose curiosity leads her to discover an underground city with a troop of delinquent Girl Scouts. As of November 2009, has 2 books out: Kiki Strike: Inside the Shadow City (2006) and Kiki Strike: The Empress' Tomb (2007)'.