Men Are from Mars, Women Are from Venus by John Gray is a must-read for anyone interested in relationships, love, classicism, and emotional intelligence. This non-fiction book, published in 2004, is intended for young adults and adults alike and has 323 pages. The book provides insights into the differences between men and women and how to understand and improve relationships. This 1st edition paperback comes with the special attribute of being a second-hand copy, adding to its vintage charm.