Current and Emerging Issues in Cancer Pain:Research and Practice, C. Richard Chapman and Kathleen M. Foley, eds. New York: Raven Press, 1993, 441 pp., $140.00Pain: A Four-Letter Word You Can Live Withby Sridhar V. Vasudevan, M.D. Milwaukee, WI: Montgomery Media Inc., 1993, 187 pp., $14.95.