This beautifully illustrated therapeutic storybook has been designed to support children and families to strengthen their relationships using solution-focused brief therapy. Healthy and supportive family relationships are essential to mental health, and as referrals to Child and Adolescent Mental Health Services continue to rise, growing research demonstrates the benefit of involving families in the treatment of children and young people facing emotional and mental health difficulties. The storybook explores the struggles faced by a typical family in which relationships have become more tense and conflictual. It can be used to spark discussion about the struggles faced by a family, and the ways in which these struggles can be overcome when they work together. This book features: An engaging storywith attractive illustrations, enabling difficult issues to be explored in a child-friendly manner An accessible and relateable narrative that allows for a discussion of family difficulties without assigning blame Several suggestions for practical steps that can be taken to allow happiness to return to a family. This is avital resource for social workers, counsellors, mental health professionals and individual and family psychotherapists working with families and children. Also available is an accompanying workbook with resources and activities: When Happiness Had a Holiday: Helping Families Improve and Strengthen their Relationships: A Professional Resource.