ACT in Steps: A Transdiagnostic Manual for Learning Acceptance ...
Michael P. Twohig & Michael E. Levin & Clarissa W. Ong
ACT Verbatim for Depression and Anxiety: Annotated Transcripts ...
Michael P. Twohig & Steven C. Hayes
The Anxious Perfectionist: How to Manage Perfectionism-Driven ...
Clarissa W. Ong & Michael P. Twohig