"Venus on Fire, Mars on Ice: Hormones - The Key to Life, Love, and Energy" by John Gray is a textbook that explores the role of hormones in family, relationships, and various medical and social science subjects. Published in 2010 by Mind Publishing, Incorporated, this hardcover book delves into the intricacies of marriage, long-term relationships, nutrition, endocrinology, and metabolism, offering insights on how hormones impact our lives. With 253 pages, this book provides a comprehensive look at the connection between hormones and our overall well-being, making it a valuable resource for those interested in understanding the complex dynamics of human relationships and health.