It's New York City, 2118. In Manhattan's glamorous thousand-story supertower, millions of people are living scandalous lives. Leda, Watt, Rylin, Avery, and Calliope are all struggling to hide the biggest secrets of all, secrets that could destroy everything, and send their perfect worlds toppling over the edge. Because every rise has a fall. 13+ The final book in the New York Times bestselling series.