The thrilling conclusion totwo-time National Book Award finalist Laura Ruby’s epic adventure through thestreets of an alternate New York City. It was only a few days ago that Tess Biedermann, TheoBiedermann, and Jaime Cruz, along with a mysterious figure from the past,managed to survive an assault on the location of the latest clue in theMorningstarr cipher—and, in the process, made a shocking discovery about theirown connection to this one-hundred-sixty-year-old enigma. Now the friends are divided. Tess and Theo have no idea whatthe photo they found in Greenwood Cemetery means, but Jaime is convinced thatthey do, and that they’ve been keeping their own secrets from him. As the citycontinues to break around them, suddenly solving the greatest mystery of themodern world seems less important than saving their own friendship. The stakes of completing the cipher, however, have neverbeen higher. Darnell Slant, real estate developer and owner of all the Morningstarrbuildings, knows that they hold one last secret: a power that even theMorningstarrs themselves never revealed. The world has rested on a precariousbalance of power for generations; now Slant and his shadowy business partnersaim to unbalance it. It’s up to Tess, Theo, and Jaime to uncover theMorningstarrs’ final mystery in a desperate attempt to set things right. Theworld—theirs, and possibly others—depends on it.