- Hardt, Helen, Steel brothers saga, bk. 14
- Shattered, Helen Hardt
- Melt, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 4
- Burn, Helen Hardt
- Possession, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 18
- Twisted, Helen Hardt
- Hardt, Helen, Follow me trilogy, 3
- Rebel, Helen Hardt
- Melt, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 3
- Unraveled, Helen Hardt
- Hardt, Helen, Misadventures, bk. 13
- Hardt, Helen, Steel brothers saga, book thirteen
- Legacy, Helen Hardt
- Hardt, Helen, Blood bond saga, v. 2
- Ravenous, Helen Hardt
- Cherished, Helen Hardt
- Follow me always, a novel, Helen Hardt
- Blood bond: 11, Helen Hardt
- Cherished, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 23
- Hardt, Helen, Steel brothers saga, bk. 9
- Blood bond saga, Helen Hardt, Part 7
- Hardt, Helen, Steel brothers saga, bk. 16
- Blaze, Helen Hardt
- Hardt, Helen, Gems of Wolfe Island, bk. 3