Johnny Dixon and Professor Childermass discover a trolley which transports them back to Constantinople in 1453 as the Turks are invading the Byzantine Empire.

In 1910 New York City, four years after her Irish immigrant father dies of tuberculosis, ten-year-old Essie's fear and anxiety continue to grow uncontrollably, so much that when her mother, a brave nurse, remarries and the family moves to North Brother Island, where Essie's new stepfather runs a quarantine hospital for the incurably sick, Essie imagines all manner of horrors, including the ghost of a little girl--which might not be imaginary after...