The sheer number of variables of complex dynamic systems do not allow their workings or failures to be understood by linear thinking or standard analytical methods. Hollnagel (U. of Southern Denmark) further elucidates the Functional Resonance Analysis Method (FRAM) he introduced in Barriers and Accident Prevention (2004), that treats risk assessment cases. He discusses FRAM principles which explain performance outcomes in terms of functional coupling and resonance. The text includes application cases in medical, transport, and financial systems, and a model, in FRAM terms, of the main functions that comprise the method. Annotation ©2012 Book News, Inc., Portland, OR (booknews.com)