This comprehensive manual by Sam Tsemberis provides a detailed guide to implementing the Housing First approach, which prioritizes providing permanent housing to individuals experiencing homelessness, followed by supportive treatment services. The Pathways Model is particularly effective for people with mental health and substance use disorders. This resource offers actionable insights into structuring Housing First programs, including client engagement, property management, and relationships with landlords. It also presents evidence of the model’s success and includes a DVD featuring client stories and operational tips.