Genius games
Imaginary playmates
Imaginary companions
Divorce, fiction
Gifted children
Divorce
Brothers and sisters
Children's fiction
Juvenile fiction
Fiction
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.
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