Katy, the precocious ten-year-old daughter of the town doctor, befriends a boy with mental disablilties.

A teen-age girl gains new insight into herself and her family when her mentally retarded brother gets lost.

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.

After a fight at school leaves Marcus facing suspension, Marcus's mother takes him and his younger brother, who has Down syndrome, to Puerto Rico to visit relatives they do not remember or have never met, and while there Marcus starts searching for his father, who left their family ten years ago and is somewhere on the island.

One of the special-needs children riding horses at Keystone Stables during the summer has Down syndrome and when his affection for Skye embarrasses her, she begins to treat him harshly.

"While helping police officers Esther and Lon investigate a suspicious death at her group home, nineteen-year-old Sal Miyake, who is mentally challenged, gains insights into herself and makes new friends"--Publisher.

In 1952 Vermont, ten-year-old Blue decides to set out in the middle of her town's sesquicentennial celebration to find the mother who abandoned her as a baby, but a series of events reminds her that she already has everything she needs.

"When thirteen-year-old amateur entomologist Daisy gets an assignment to 'change the world,' she is determined to help her older brother, Sorrel--who has Down syndrome and adores men's fashion--fulfill his dream of becoming a YouTube celebrity."-- Provided by publisher.