P r e f a c e ix
Coles, Michel Dugas, Edna Foa, Mark Freeston, Randy Frost, Richard Heimberg,
Stefan Hofmann, Robert Leahy, Colin MacLeod, Andrew Mathews, Richard McNally,
Karen Mogg, Christine Purdon, Stanley Rachman, Ronald Rapee, John Riskind, Paul
Salkovskis, Norman Schmidt, Robert Steer, Gail Steketee, Steven Taylor, and Adrian
Wells. Furthermore, we wish to acknowledge with gratitude the tenacity and meticu-
lousness of Michelle Valley, who laboriously revised and validated all the references,
and to past and current graduate students, Mujgan Altin, Anna Campbell, Gemma
Garcia-Soriano, Brendan Guyitt, Nicola McHale, Adriana del Palacio Gonzalez, and
Adrienne Wang for their research and thoughtful discussions on cognitive aspects of
anxiety. We also appreciate the partial financial support for publication costs from the
University of New Brunswick Busteed Publication Fund. Finally we are grateful for the
encouragement, guidance, advice, and support of the staff at The Guilford Press, espe-
cially Jim Nageotte, Senior Editor, and Jane Keislar, Assistant Editor.