|aSimon & Schuster Books for Young Readers pbk. ed.
|aNew York :|bSimon & Schuster BFYR,|c2009.
|a246 p. :|bmap ;|c21 cm.
|aWhen 14-year-old Lindsay meets Talon and discovers the Downsiders world which had evolved from the subway built in New York in 1867 by Alfred ElyBeach, she and her new friend experience the clash of their cultures.