The Dark Avenger becomes immeshed in murderous masquerades in two pulp thrillers by Walter B. Gibson and Theodore Tinsley. First, from colorful carnival festivities arises a baffling puzzle, leading The Shadow to don a series of disguises to solve "Mardi Gras Mystery." Then, the Knight of Darkness journeys to a "City of Fear" to unmask a master of disguise who can impersonate anyone-even The Shadow himself! Which Shadow will have the last laugh? Plus, Anthony Tollin unmasks "The Many Faces of The Shadow."