Obsessive-Compulsive Spectrum Disorders: Refining the Research Agenda for DSM-Vedited by Hollander Eric , M.D., Zohar Joseph , M.D., Sirovatka Paul J. , M.S., and Regier Darrel A. , M.D., M.P.H. Washington, DC , American Psychiatric Publishing , 2011 , 257 pp., $67.00 (paper).