'This book is essential reading for all trainees in gastroenterology and should be read by all practicing endoscopists who are interested in improving their techniques.' Gastrointestinal Endoscopy, August 1998 on the 4th edition

'The two titans of the endoscopic firmament have updated a book that is packed end to end with practical advice. I have no idea how many hundreds of endoscopists this pair have taught but their students are fortunate indeed. The rest of us can just share in their experience from their book.' Gut, Nov 1996 on the 4th edition.