
Hewitt, P. L., Flett, G. L., & Mikail, S. F. (2017)
Perfectionism: A Relational Approach to Conceptualization, Assessment, and Treatment.
New York: Guilford Press
This is a second printing and updated version of Dr. Hewitt’s book.
Available January 26, 2026

Hewitt, P. L., Flett, G. L. (2022)
Perfectionism in Childhood and Adolescence: A Developmental Approach
American Psychological Association

Hewitt, P. L., Flett, G. L., & Mikail, S. F. (2017)
Perfectionism: A Relational Approach to Conceptualization, Assessment, and Treatment.
New York: Guilford Press

Hewitt, P. L., Flett, G. L., & Mikail, S. F. (2017)
Perfectionism: A Relational Approach to Conceptualization, Assessment, and Treatment.
Available in Russian.
New York: Guilford Press

Hewitt, P. L., Flett, G. L., & Mikail, S. F. (2017)
Perfectionism: A Relational Approach to Conceptualization, Assessment, and Treatment.
Available in Italian.
New York: Guilford Press
Linden, W. & Hewitt, P. L. (2012)
A Clinical Psychology: A Modern Health Profession.
Boston: Pearson

Hewitt, P. L. & Flett, G. L. (2004)
The Multidimensional Perfectionism Scale: Technical Manual.
Toronto: Multihealth Systems Inc.

Flett, G. L. & Hewitt, P. L. (2002)
Perfectionism: Theory, Research and Treatment.
Washington: American Psychological