The "Everything You Wanted To Know About Sex But Were Afraid to Ask" book by David Reuben is a comprehensive guide covering various aspects of sexual health and relationships. Written in English and focusing on the topic of sex, this book provides informative and helpful information for readers who are looking to expand their knowledge and understanding in this area. With a straightforward and approachable tone, the author tackles a wide range of topics related to sex, making it a valuable resource for individuals seeking to learn more about sexual matters.