The Underground Books in Order

Brea Collins works at a club while saving to escape a troubled past. Underground fighter Adrian Holden draws her into a protective relationship, but his own wounds and the dangers surrounding them threaten their chance of moving forward.

Stella Vincent's father gambles away their home, leaving underground fight-club owner Tate Wessen holding the deed. His proposal offers a way to settle the debt, but their two-week arrangement develops feelings neither expected to confront.

Tristan finds herself drawn to her new roommate, Kash, before discovering his involvement in illegal cage fighting. He tries to keep their relationship casual, but shared living space and growing attraction make that distance increasingly hard to maintain.