An addictive literary puzzle that introduces an unforgettable young heroine plunged into the twisted world of a secret society with a dark agenda. Lee Cuddy is seventeen years old and on the run, alone on the streets of Philadelphia. A fugitive with no money, no home and nowhere to go, Lee finds refuge in a deserted building known as the Crystal Castle. But the Castle conceals a sinister agenda, one master-minded by a society of fanatical men set on decoding a series of powerful secrets hidden in plain sight. And they believe Lee holds the key to it all. Aided by Tomi, a mysterious young hacker, Lee escapes into the unmapped corners of the city. But the deeper she goes underground, the more