books.google.com.au - Crohn's Disease and Ulcerative Colitis is the most comprehensive source of information on this topic for patients today. The revised edition contains the most recent medical research....http://books.google.com.au/books/about/Crohn_s_disease_ulcerative_colitis.html?id=20A7wcGkKXkC&utm_source=gb-gplus-shareCrohn's disease & ulcerative colitis