Book excerpt: An authoritative guide to the histological and genetic typing of human tumours of the digestive system. Prepared by 113 experts from 17 countries, the book covers neoplasms of the entire gastrointestinal tract, liver, biliary system, and exocrine pancreas. In view of their increasingly recognized importance, inherited tumour syndromes involving the digestive system are also described. Over 2200 references are included in this authoritative international tool. The book is organized according to ten groups of tumours. Each tumour is introduced with a concise definition and discussion of nomencl.