The Art of Love: The Second Book of Kama Sutra by Vatsyayana is a classic text on the art of love and sexual pleasure. 
This book is the second part of the Kama Sutra, an ancient Indian text that explores the nature of desire and the ways in which it can be fulfilled. The Art of Love offers practical advice on sexual techniques, positions, and the use of various tools and substances to enhance pleasure. It also provides guidance on how to attract and seduce a partner, as well as how to maintain a healthy and fulfilling sexual relationship. The book is written in a poetic and sensual style, and it offers insights into the cultural and social norms of ancient India. 
Overall, The Art of Love is a timeless guide to the art of love and sexuality that continues to be relevant and inspiring today.