Issue 42 (2023) of the Costa Rican Journal of Social Work features a series of articles exploring the history and evolution of social work in Costa Rica. Key topics include a historical overview of the trajectory of the College of Social Workers, the development of social work within the National Children's Trust, and an analysis of 70 years of history and transformations at the National Psychiatric Hospital. Additionally, the issue examines the operationalization of work at AGECO, highlighting its trajectory, disruptions, and innovations within a non-governmental organization.