Published by Ballantine, NY, 1973
ISBN 10: 0345327098 ISBN 13: 9780345327093
Seller: Rainy Day Paperback, Bethel, CT, U.S.A.
Paperback. Condition: FINE. (34th printing-1991). As new -gift quality! "the theory necessary for the analysis.description of the individual games.new material which makes it possible to understand what it means to be game free." ISBN: 0345327095.