The films in this book include 48 motion pictures made at Merton Park Studios, and based on the works of writer Edgar Wallace. The films featured a uniform title sequence in which a shadowed bust of Edgar Wallace revolves slowly against a backdrop of swirling mist, accompanied by The Man of Mystery theme music. This book is a refernce work on those films, including numerous photographs, complete cast listings, directorial credits and running times, as well as a succinct synopsis of each film.