The Riders of the Whistling Skull
When Professor Marsh disappears while searching for the lost city of Lukachukai, his daughter enlists the help of the Three Mesquiteers.
Stony Brooke
Tucson Smith
Lullaby Joslin
Betty Marsh
Rutledge
Henrietta McCoy
Professor Flaxon
Otah
Professor Brewster
Professor Fronc
Professor Cleary
Coggins
High Priest
Professor Marsh
