Quirky babysitter Carolina Giddle moves into the Blatchford Arms, a spooky apartment building rumoured to be haunted, and enchants her young charges with ghost stories that they find eerily familiar.

On the last day of second grade, Song Lee's party at the local amusement park forces Harry to face his fear of elevators when he is expected to ride the Drop of Doom.

"Four people board an elevator in a Manhattan office tower, press the buttons for their floor. The elevator proceeds, non-stop... then plummets to the bottom of the shaft. It appears to be a horrific tragedy... until the next day it happens again, in a different skyscraper. The third day plunges the city into chaos. What does this sabotage have to do with the fingerless body found on the High Line? New York detectives and journalists race to find...