Brandon Gaudiano has done a great deal of research incontextual behavioral approaches related to clinical work. His website at Brown Universityis a treasure trove of great publications that you can download, read, andapply.  He also has a new book titled Incorporating Mindfulness and Acceptanceinto the Treatment of Psychosis: Current Trends and Future Directions. Itis available on Amazon, and you can get to that bookstore by clicking through theACBS website.  Whether you treatindividuals with serious mental illness or not, Brandon discusses importantpoints for anyone applying the ACT model in treatment. Enjoy!