The True Identity of the WizardThe mystery of Oz is unraveled when the companions discover the Wizard is a fraud, a humbug from Omaha.1Rumors of the Great OzBefore the journey to the Emerald City2The Four AudiencesAt the Emerald City3The Discovery of the HumbugAfter the Witch's death4The Stage Tricks RevealedAfter the confession5Oz's EscapeAfter the revelations6Oz's LegacyAfter his departure