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.Jack's difficulties in dealing with his younger sister Annie, a child genius, worsen when Annie claims to have a new
friend from the future and Jack worries that this development will keep him from going to visit his father in America.