Title: Genius games
Description: Eleven-year-old Jack's difficulties in dealing with his younger sister Annie, a child genius, worsen when Annie claims to have a new friend from the twenty-fifth century and Jack worries that this development will keep him from going to visit his father in America.
Subjects: Imaginary companions, Brothers and sisters, Gifted children, Divorce, Juvenile fiction, Imaginary playmates, Fiction, Children's fiction, Divorce, fiction