This issue of the Surgical Clinics of North America covers a broad spectrum of anorectal disease such as basic anatomy, physiology, and testing of the anorectal region, as well as the most current diagnostic and management strategies for many of the common anorectal conditions encountered by surgeons including hemorrhoids, anal fissures, abscess and fistula.? Also presented are new techniques in the management of pilonidal disease, perianal infections including HIV and condyloma, pruritis ani, and anal stenosis--difficult conditions that often are frustrating for patient and surgeon alike.?...