Oxygen by Carol Cassella is a gripping medical thriller that explores the intersection of ethics, ambition, and survival in a high-stakes hospital environment. When a respected anesthesiologist faces accusations of patient negligence, she must navigate a complex investigation that challenges everything she believes about her career and integrity. Cassella's intimate knowledge of medical practice brings authenticity to this compelling narrative, making it essential reading for those who appreciate character-driven fiction with professional depth. Perfect for fans of medical dramas and psychological thrillers.