Books

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