Seventeen-year-old Cass misunderstands her divorced parents until she discovers the secret they've been keeping from her: she has a severely handicapped, terminally ill younger sister.
A dollhouse filled with a ghostly light in the middle of the night, and dolls that have moved from where she last left them, lead Amy and her mentally handicapped sister to unravel the mystery surrounding grisly murders that took place years ago.
The author recounts a four-month cross-country trip to meet children and adults who have triumphed over learning disabilities and have gone on to lead successful lives.
In a futuristic society sixteen-year-old Gem discovers that a group of handicapped people who call themselves the Waterbound live hidden beneath the City.