Many self - help books for adults also fall into this category. They talk about how to handle stress, improve relationships, and achieve personal growth in an adult's life, which are all important aspects of adult - oriented literature without any inappropriate elements.
There are also modern literary works that handle adult themes in a more contemporary context but still maintain a level of propriety. These works might deal with topics such as career development, family relationships in adulthood, and the challenges of growing older, without delving into taboos or nudity.