Dark humor is a genre of literature that combines humor with themes and subjects that are typically considered taboo, morbid, or controversial. It often involves making light of serious or disturbing topics such as death, violence, and mental illness. Dark humor can be used to satirize societal norms and conventions, challenge the status quo, and provide a unique perspective on the human condition. Books in this category may be unsettling or uncomfortable to read, but they offer a unique and often thought-provoking perspective on the world around us.

The "Upper class" category of books typically refers to stories that revolve around the lives and experiences of wealthy individuals and families. These books often explore themes of privilege, power, and social status, and may feature characters who are members of high society, aristocracy, or the elite. The stories may focus on the challenges and complexities of navigating the upper echelons of society, as well as the relationships, scandals, and intrigues that can arise within these circles. Overall, the "Upper class" category offers readers a glimpse into the rarefied world of the wealthy and influential, and the unique challenges and opportunities that come with that lifestyle.

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