This book is based on an abstract of the author's larger work, Peroral Endoscopy and Laryngeal Surgery. The abstract was preparedunder the author's direction by a reader, in order to get a reader's point of view on the presentation of the subject in the earlier book.With this abstract as a starting point, the author has endeavored, sofar as lay within his limited abilities, to accomplish the difficulttask of presenting by written word the various purely manualendoscopic procedures.