The authors, Elliott Morton Avedon and Brian Sutton-Smith are recognized authorities on the study of games.Elliott Morton Avedon was born on 28 April 1930 in Florida. He is the author of "Therapeutic Recreation Service: An Applied Behavioural Approach".Brian Sutton-Smith was born in Wellington, New Zealand in 1924. His academic career is focused on children's games, adult games, children's play, children's drama, films and narratives, as well as children's gender issues and sibling position.Brian Sutton-Smith is the author of some 50 books, the most recent of which is The Ambiguity of Play, and some 350 scholarly articles. He has been the President of The Anthropological Association for the Study of Play and of The American Psychological Association, Division g10 (Psychology and the Arts). As a founder of the Children's Folklore Society he has received a Lifetime Achievement Award from the American Folklore Society.