1. Dual Diagnosis -- an Overview: Fact or Fiction? / Hugh Williams -- 2. Substance Use and Dual Diagnosis: Concepts, Theories and Models / G. Hussein Rassool -- 3. Problems and Issues of Conceptualisation / Adenekan Oyefeso -- 4. Psychiatric Disorders and Substance Misuse: Psychopathology / C.A. Harrison and M.T. Abou Saleh -- 5. European Dimension of Dual Diagnosis / Fabrizio Schifano -- 6. Misperceiving Complex Behaviour: A Psychological Research Model / Fred Roach -- 7. The Challenge of Shared Care / Mike Flanagan -- 8. A Synthesis of Addiction & Mental Health Nursing: An Approach to Community Interventions / Kim Moore and G. Hussein Rassool -- 9. Enhancing the Social Service Response / Alison Keating -- 10. Treatment Strategies and Interventions / Ken Checinski -- 11. Nursing Interventions in the Care of Dually Diagnosed Clients / Peter Price -- 12. Brief Strategic Therapy -- Working with the Patient's Motivation for Change / Vivienne Saunders -- 13. Assessing Health and Social Needs and Develop Appropriate Services: A Public Health Perspective / Salman Rawaf -- 14. Development of a Community Based Model of Service Provision for Dual Diagnosis Patients / Alison Lowe -- 15. A Model of Treatment for Dual Diagnosis (The Greenbank Model) / Daisy Saffer -- 16. Dual or Separate Services? / James Edeh -- 17. Professional Education in Addiction and Mental Health Issues: A Case for Less Diagnosis and More Action? / G. Hussein Rassool.