For over forty years, Cotton and Williams' Practical Gastrointestinal Endoscopy has offered a clear, accessible introduction to the fundamentals of endoscopy, from patient positioning to the range of available procedures. Now updated by a new authorial team to reflect the latest advances in endoscopic procedures, this text promises to serve a new generation of trainees and specialists as the essential introduction to upper and lower gastrointestinal endoscopy. Readers of the eighth edition of Cotton and Williams' Practical Gastrointestinal Endoscopy will also find: Updated online resources including a down loadable bank of clinical images, High-quality videos illustrating endoscopic practices and procedures, linked to specific points in the text, Cotton and Williams' Practical Gastrointestinal Endoscopy remains a must-own for all trainee and specialist gastroenterologists and endoscopists.