Michael Martin is a trader and instructor for MartinKronicle. His show deals with the emotional and psychological aspects of trading and managing risk. Martin's own book is called "The Inner Voice of Trading" and features interviews with Michael Marcus, Bill Dunn, and Ed Seykota - who also wrote the Foreword.
Market vol is increasing due to higher level of discomfort and uncertainty, but don't go adding new indicators now. They're not as telling as you'd think.