A classic and long-trusted resource that provides short summaries of all the key theories, concepts and terminology associated with mental health. Each entry is neatly summarised and thoroughly referenced giving the reader an immediate and thorough entry point to the subject. Structured into four sections, the text starts with entries related to Mental Health and Mental Abnormality, before moving onto Mental Health Services and Society. The new edition offers: 70 concise chapters including new entries on social networks and loneliness Updates across all chapters to align with contemporary, critical debates in mental health Appropriate consideration of the intersection of Covid-19 and mental health An essential guide for students of mental health studies, health, nursing, social work, education, psychology, counselling and psychotherapy.