No writing in book. The product is a hardcover book titled "Psychotherapy in Chronic Ulcerative Colitis" by Aaron Karush, which explores the intersection of psychology and science in the context of chronic ulcerative colitis. Published by Saunders in the United States, the book is written in English and authored by Karush, Daniels, Flood, and O'Connor. The book is an original edition, making it a valuable addition to any collection for those interested in the psychology and treatment of chronic illnesses.