He studied myths from all over the world and published a book called "The Hero with a Thousand Faces," retelling dozens of stories and explaining how each represents the mono-myth, or Hero's Journey.
Il a étudié les mythes du monde entier et il a publié un livre intitulé, "Le héros aux mille visages" qui reformule des dizaines d'histoires et explique comment chacune présente  le mythe unique, ou le périple du héros.