Book 2 of the Eighth Day series
Having returned to Pennsylvania after his all-out war with the Evil Kin lord in Mexico, Jax Aubrey, his guardian Riley, and his liege lady, Evangeline, discover that Jax may have a long lost uncle named Finn Ambrose. However, Finn may have been using Jax to help the Dulacs kidnap Jax' best friend, Billy. Luring Jax to New York, Finn leads him on a chase through a series of magic mazes beneath Manhattan, which contain secrets about Jax, Riley, and Evangeline's pasts.