Undercover Kid Tuna Surprise Station Stop 3 - All Aboard Mystery Reader Author:Ronald Kidd Eight-year-old Maggie Murphy loves mysteries. When she discovers her grandfather's special aging machine, Maggie realizes she has the ultimate disguiseshe can solve mysteries as a grown-up! Unfortunately, Maggie's not the only one who's learned her grandfather's secret. Now she must work with her younger brother Arthur to solve the case of... more » the missing tuna quickly, before time runs out and the Undercover Kids are uncovered again!« less