5 Rounds by Nikki Castle

About the Author

Nikki Castle is a 29 year old wife and bulldog mom who writes steamy love stories about alpha MMA fighters and the women that melt their badass, playboy hearts. She spends her days working for a technology company and her evenings running a Mixed Martial Arts (MMA) gym with her husband, who is also a retired fighter.

Nikki has been writing in one way or another since she was a teenager. She pursued an English and Philosophy degree in college, and finally decided to sit down and fulfill her longtime dream of writing an entire novel when quarantine began in 2020.