Brief biographies of 9 youngsters who have achieved renown for unusual accomplishments. Included are an 8-year-old boy who set a new sit-up record, a 10 year-old girl who was the youngest person to fly an airplane solo, and a 12-year-old boy who worked as a stunt kid in the movies.Nine fascinating stories describe the outstanding accomplishments of some truly amazing youngsters, including a famous chess prodigy, a psychic blind boy, and an eight-year-old who performed 25,222 sit-ups in a row