This lot of three vintage books is perfect for anyone interested in adult and erotic literature. The books include "Erotic Art," "Sense Relaxation," and "Picture Book of Sexual Love." Each book features aspects of human sexuality and is sure to provide entertainment and inspiration for those who enjoy this genre. The books are hardcover and come with features such as dust jackets, illustrations, and an unabridged format. The topics covered in these books include first love, dream interpretation, self-improvement, vocational skills, and more. They are written in English and were published by Bell, Gunther, and Harkel. These books are perfect for young adults and adults alike who are interested in exploring this exciting literary movement.