Encyclopedia of controlled drug delivery, Volumes 1 and 2 Edited by Edith Mathiowitz John Wiley and Sons, New York, 1999 Volume 1, pp 492; volume 2, pp 565, price ISBN Volume 1: 0-471-16662-6; Volume 2: 0-471-16663-4; 2 Volume set: 0-471-14828-8