PLEASE READ - Listing for Instructors Resource Manual ONLY that corresponds with the first edition of this book. 1980 Instrument Society of America. Staple-bound. Cover wraps have aver wear with a small stain and pen markings on back as pictured. Text is clean. Interior pages have some creasing and are starting to yellow but are clean and complete. Spine has minor rubbing. Binding is firm and rust-free.