This book is the first to bring together new research to offer a hands-on clinical guide to treating people with all types of obsessive compulsive disorder (OCD) using an inference-based therapy (IBT). Provides clinical examples from the full range of OCD subtypes Coverage integrates theory and application Decribes case management in detail - from initial assessment to terminating therapy and follow-up Shows how IBT can also be generalized and applied to other serious psychiatric disorders.