Hello! Mr. Sax by Jean-Marie Londeix. Alphonse Leduc, 1989, PB, 113 pages. Subtitled: Parameters of the Saxophone. Text is in French and English. Much of this book is devoted to extended techniques such as multiphonics, microtones, and special techniques of timbre and articulation. However, there sections on vibrato and other techniques that will be of interest to nearly all. Bass through sopranino are covered.