GORDON PARKER is Scientia Professor of Psychiatry at the University of NSW, Professorial Fellow at the Black Dog Institute, and a renowned researcher and expert on mood disorders. KERRIE EYERS is a psychologist based at the Black Dog Institute, Sydney. Gordon Parker and Kerrie Eyers are editors of the bestselling "Journeys with the Black Dog" and several other books on depression. PHILIP BOYCE is Professor of Psychiatry at the University of Sydney, Professorial Fellow at the Black Dog Institute, and an international expert on postnatal depression.