<p> Woody Allen's <I>Manhattan Murder Mystery</I> has been described as a kind of <I>Rear Window</I> for retirees. As this quote suggests an analysis of Alfred Hitchcock's methodical use of comedy in his films is past due.</p><p> One of Turner Classic Movies' on-screen scholars for their summer 2017 online Hitchcock class the author grew tired of misleading throwaway references to the director's comic relief. This book examines what should be obvious: Hitchcock systematically incorporated assorted types of comedy--black humor parody farce/screwball comedy and romantic comedy--in his films to entertain his audience with comic thrillers.</p>