ISBN-13: 9781517515836 / Angielski / Miękka / 2015 / 184 str.
Young genius inventor Frank Rude, Jr. has awoken in an Argentine hospital, his face bandaged and his memory gone. To his aid comes hard-boiled detective El Gato Negro, legendary local hero Gaucho Gil and the dashing Science Cowboy. All Frank wants is reclaim his identity, but after a string of murders he's off to the Pampas in the guise of Juan Nadie to solve the mystery.