"An Anthropologist on Mars" is a collection of seven essays by neurologist and author Oliver Sacks. The book explores the lives of individuals with unique neurological conditions, offering insights into their experiences and perceptions of the world. Each essay presents a different case study, highlighting the complexities of the human brain and the diversity of human experience. The title essay focuses on a painter who becomes blind and adapts to his new reality. Sacks delves into the challenges faced by those with neurological disorders, emphasizing the resilience of the human spirit and the importance of understanding these conditions from an anthropological perspective.