Den of Vipers is a romance novel by K.A. Knight. It was first published in July 2020. The story follows Roxy, a young woman who is sold to a group of criminals known as the Vipers to pay off her father’s debt. The Vipers are a ruthless gang who control the city’s underworld. They are led by Ryder, a cold and calculating man who is determined to protect his brothers at all costs.
Roxy is initially terrified of the Vipers, but she soon realizes that they are not all bad. They are each damaged in their own way, but they are also loyal and protective of each other. Roxy begins to fall in love with the Vipers, and they with her. However, their relationship is complicated by the fact that they are all criminals. They are constantly in danger, and they know that their lives could be taken at any moment.
Den of Vipers is a dark and suspenseful novel that explores the themes of love, loyalty, and betrayal. It is a story about finding family in the most unexpected places. The novel has been praised for its strong characters and its erotically charged plot.

In addition to the romance between Roxy and the Vipers, the novel also explores the themes of revenge, redemption, and self-discovery. Roxy is a strong and independent woman who is determined to find her own way in the world. She is not afraid to stand up to the Vipers, even when they are threatening her. The novel also explores the dark side of the human psyche, and the lengths that people will go to for revenge.
Den of Vipers is a well-written and engaging novel that will appeal to fans of romance, suspense, and erotica. It is a story about love, loss, and redemption that will stay with you long after you finish reading it.
Here are some additional details about the novel:

- The novel is set in a fictional city called Sin City.
- The Vipers are a group of criminals who control the city’s underworld.
- The novel has four main characters: Ryder, Garrett, Kenzo, and Diesel.
- The novel is told from the alternating perspectives of Roxy and the four Vipers.
- The novel is 646 pages long.
- The novel is rated R for explicit sexual content and violence.
If you are looking for a dark and suspenseful romance novel with a strong female lead, then I would recommend Den of Vipers. It is a well-written and engaging novel that will stay with you long after you finish reading it.