Have you ever watched a Marx Brothers film and wondered what "habeas Irish rose" is? What is the trial of Mary Dugan with sound? What is a college widow? When exactly did Don Ameche invent the telephone? Their films are full of such in-jokes and obscure theatrical, literary and topical references that can baffle modern audiences. In this viewer's guide to the Marx Brothers you will find the answer to such mysteries, along with an exhaustive compilation of background information, obscure trivia and even the occasional busted myth. Each of the Marx Brothers' 13 films is covered by a running commentary, with points in the film discussed as they appear. Each reference is listed by its running time, with time code given for both PAL and NTSC DVD. An introduction for neophytes and a resource for fanatics, this book is a travel guide to the rambling landscape of these remarkable comedies.