Hardcover. New York , Harcourt, Brace & Co., 1st, 1924, Book: Good, Dust Jacket: None, 241 pages, including index. Cover worn, stained, with light marking, fading. In good condition. No dust jacket. The book delves into the physiological and psychological mechanisms behind laughter, examining the role of the brain, the nervous system, and social cues in triggering laughter. Gregory also explores the cultural and historical contexts of laughter, from ancient Greek comedy to contemporary stand-up comedy. Record # 176336
 "Nature of Laughter, The by: Gregory, J.C.")