Life becomes more interesting for Ananka Fishbein when, at the age of twelve, she discovers an underground room in the park across from her New York City apartment and meets a mysterious girl called Kiki Strike who claims that she, too, wants to explore the subterranean world.Twelve-year-old Ananka Fishbein discovers an underground room in the park across from her New York City apartment, and meets a mysterious girl called Kiki Strike who claims that she, too, wants to explore the subterranean world.