The thymus gland has always fascinated me and, despite the ever-growing abun dance of medical books, this subject seemed to be a bit of a "poor relation." As a surgeon, the lack of information was particularly frustrating, and this is why I de cided to edit a text covering the different aspects of thymic pathology, surgery, and prognosis. It is always difficult to strike a balance between what is to be included and left out of a book about a subject intended for readers of different specialities. This one was written primarily to provide valuable information to surgeons on most aspects...