Marie Rutkoski's startling debut novel, the first book in the Kronos Chronicles, about the risks we take to protect those we love, brims with magic, political intrigue, and heroism. Petra Kronos has a simple, happy life. But it's never been ordinary. She has a pet tin spider named Astrophil who likes to hide in her snarled hair and give her advice. Her best friend can trap lightning inside a glass sphere. Petra also has a father in faraway Prague...