Donald O. Castell & Joel E. Richter 
Esophagus [PDF ebook] 

This is easily the most focused and comprehensive book available dedicated to the esophagus and its conditions, fully exploring anatomy, physiology, pathology, diagnosis, and treatment. Edited by two former presidents of the ACG and ASG, the world’s two largest gastroenterology societies, the text offers approved treatment guidelines from these organizations. This new edition updates all chapters with the latest developments, highlighting advances in diagnostic techniques, and both surgical and drug treatment therapies for esophageal conditions. The new edition also features an electronic component, with searchable text and all figures available in slide format.