By Jeff Guenther, Kate Happ
By Julia Bueno
By Scott E. Spradlin
By Steven C. Hayes
By Kirk D. Strosahl, PhD
By David Smail
By Dr Graham Easton
By James Elliott
By Marian R. Stuart, Joseph A. Lieberman, III
By Cathy Wield
By Allen E. Bergin, Sol L. Garfield
By Irvin D. Yalom
By Tracy Alderman