Valerie L. Gaus, PhD, is a clinical psychologist in private practice in Long Island and New York City. Her focus is treating mental health problems in adults with autism spectrum disorder, intellectual disability, and other learning and developmental disorders. Since receiving her doctorate in 1992, she has approached her work with a cognitive-behavioral orientation. Dr. Gaus serves on the advisory board of the Asperger Syndrome and High Functioning Autism Association and on the grant review committee of the Organization for Autism Research, and she teaches an advanced training course through the Swedish Psychological Association. She has written numerous articles and chapters on mental health issues in developmental disabilities and has lectured extensively in the United States and internationally. She is the author of the self-help resource Living Well on the Spectrum as well as a book for therapists, Cognitive-Behavioral Therapy for Adults with Autism Spectrum Disorder, Second Edition.

Introduction
1. Defining Autism Spectrum Disorder in Cognitively Able Adults (Asperger Syndrome)
2. Conceptualization of Mental Health Problems in Cognitively Able Adults with Autism Spectrum Disorder (Asperger Syndrome)
3. The Initial Assessment
4. Individualized Case Formulation and Treatment Plan
5. Psychoeducation and Orientation to Treatment
6. Intervention: Increasing Skills to Address the Core Problems of Autism Spectrum Disorder
7. Intervention: Addressing Comorbid Mental Health Problems
8. Intervention: Addressing Emotion Regulation Problems Using Mindfulness-Based Strategies
9. Adjunctive Therapies and Interdisciplinary Collaboration
10. Obstacles to Treatment and How to Address Them
11. Ending Treatment and Looking Ahead
Appendix. Therapy Resources