Jackson, Edgar L., and Burton, Thomas L. 1990. Understanding Leisure and Recreation: Mapping the Past and Charting the Future. State College, PA: Venture Press. ISBN 0-910251-34-7. 653 pp. Hardcover, $25.56 (plus $1.50 P&H). Barnett, Lynn A. ed. 1988. Research About Leisure: Past, Present, and Future. Champaign, IL: Sagamore Publishing. ISBN 0-915611-13-9. 232 pp. Paperbound, $19.95.