Amanda Baker is Associate Professor at the Centre for Mental Health Studies, University of Newcastle, New South Wales, Australia.Richard Velleman is Professor of Mental Health Research at the University of Bath, UK, and Director of the Mental Health Research & Development Unit, Avon and Wiltshire Mental Health Partnership NHS Trust, UK.

"The editors have pulled together a veritable 'who’s who' of the fields of substance use and mental health from many parts of the world... If the messages of this book about assessment and treatment are heeded... then the quality of treatment provided for co-existing disorders will be substantially improved." - Wayne Hall, and Michael Farrell, from the Foreword

• Part 1: Overview: Detection and Decisions. Part 2: General Processes When Working with People with Co-existing Mental Health and Drug and Alcohol Problems. Part 3: Adapting Approaches with Specific Populations or Specific Problems. Part 4: Training, Supervision and Future Directions.

Amanda Baker is Associate Professor at the Centre for Mental Health Studies, University of Newcastle, New South Wales, Australia.Richard Velleman is Professor of Mental Health Research at the University of Bath, UK, and Director of the Mental Health Research & Development Unit, Avon and Wiltshire Mental Health Partnership NHS Trust, UK.

"The editors have pulled together a veritable 'who’s who' of the fields of substance use and mental health from many parts of the world... If the messages of this book about assessment and treatment are heeded... then the quality of treatment provided for co-existing disorders will be substantially improved." - Wayne Hall, and Michael Farrell, from the Foreword

• Part 1: Overview: Detection and Decisions. Part 2: General Processes When Working with People with Co-existing Mental Health and Drug and Alcohol Problems. Part 3: Adapting Approaches with Specific Populations or Specific Problems. Part 4: Training, Supervision and Future Directions.

Amanda Baker is Associate Professor at the Centre for Mental Health Studies, University of Newcastle, New South Wales, Australia.Richard Velleman is Professor of Mental Health Research at the University of Bath, UK, and Director of the Mental Health Research & Development Unit, Avon and Wiltshire Mental Health Partnership NHS Trust, UK.

"The editors have pulled together a veritable 'who’s who' of the fields of substance use and mental health from many parts of the world... If the messages of this book about assessment and treatment are heeded... then the quality of treatment provided for co-existing disorders will be substantially improved." - Wayne Hall, and Michael Farrell, from the Foreword

• Part 1: Overview: Detection and Decisions. Part 2: General Processes When Working with People with Co-existing Mental Health and Drug and Alcohol Problems. Part 3: Adapting Approaches with Specific Populations or Specific Problems. Part 4: Training, Supervision and Future Directions.