McGee's finale to the futuristic NYC murder-mystery trilogy can't stand alone, but it does provide a satisfying conclusion to the very workable premise established in earlier titles (The Thousandth Floor, 2016; The Dazzling Heights , 2017). In 2119, the gap between rich and poor is further defined by housing: lower classes live on the lower floors of giant skyscrapers, while the wealthiest and most powerful inhabit the thousandth. The precise details of future technology are all completely plausible (i.e., special contact lenses that feed constant information to the wearer). Intertwining stories (the fabulously wealthy, adopted Fuller siblings' forbidden love; Leda's secret murder of her half sister, Eris; Watt's periodically requited love for Leda; poor orphan Rylin's attraction to wealthy orphan Cord; and Calliope's resolution to break free of her nomadic life and its lies) combine with a new murder to form an intricate and action-packed page-turner. With the additional tension of college admissions interviews, readers will enjoy the schadenfreude of a truly hellish high-school environment in a future driven by technology, for better and for worse.--Debbie Carton Copyright 2018 Booklist