The Modern Faerie Tales: Tithe; Valiant; Ironside

In Valiant, the companion to Tithe, seventeen-year-old Valerie runs away to New York City, trying to escape a life that has utterly betrayed her. Sporting a new identity, she takes up with a gang of squatters who live in the city's labyrinthine subway system. But there's something eerily beguiling about Val's new friends. When one talks Val into tracking down the lair of a mysterious creature, Val finds herself torn between her affection for an honorable monster and her fear of what her new friends are becoming.