System Improvements, Inc., 1999. Book is in acceptable condition with some minor wear to the cover and dirt on some interior pages also includes Taproot: The System for Root Cause Analysis, Problem Investigation & Proactive Improvement as a bonus book.
Society of Naval Architects, 1990. 1st. 4TO Paperback. 425 ppg. Text is clean w/ some light yellow highlighting on a few pages. Blue covers are glossy w/ minor surface wear. Binding is tight & hinges are secure. Supplements not included.