...the entire field of psychological services is moving through a developmental transformation of significant proportions...open dialogue regarding its diversity is likely to be one of its saving graces in the centuries to come. - from the Editor's conclusion. Updated and expanded from the ""Journal of Consulting and Clinical Psychology"", Dr. Mahoney has assembled an impressive group of top psychologists to focus on current developments in cognitive and constructive psychotherapies. The volume traces the evolution of cognitive therapy from its origin in behavior modification through its development and maturation as an integrative system of therapy.