The Boxcar Children．52，The mystery of the lost mine / The Boxcar Children．37，The mystery of the lost village / The boxcar children．35，The mystery of the Lost Village The Boxcar Children．62，The mystery of the lake monster / The Boxcar Children．51，The mystery on the train / The Boxcar Children．75，The mystery of the empty safe / The Boxcar children．89，The mystery of the star ruby / The boxcar children．40，The mystery of the missing cat The Boxcar Children．77，The mystery of the wild ponies / The Boxcar Children．55，The mystery of the secret message /