Campbell's Urology (4-Volume Set) by Meredith F. Campbell Publisher: W B Saunders 8th edition (June 15, 2002)	Campbell's Urology (CD-ROM for 4 Volume Set) Publisher: W.B. Saunders 8th CD-Rom edition  (August 23, 2002)	Campbell's Urology Study Guide by Patrick C. Walsh, Alan B. Retik, E. Darracott Vaughn Jr.  Publisher: W B Saunders 2nd edition (May 15, 2002)