- Ravenous, Helen Hardt
- Hardt, Helen, Blood bond saga, 3
- Hardt, Helen, Steel brothers saga, bk. 13
- Surrender, Helen Hardt
- Déflagration, La série steel brothers, book 7., Helen Hardt
- Awakened, Helen Hardt
- Insatiable, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 10
- Hardt, Helen, Steel brothers saga, bk. 19
- Hardt, Helen, Steel brothers saga, 3
- Blood Bond, 13;., Helen Hardt
- Taming Angelina, Helen Hardt
- Destiny, Helen Hardt
- Fate, Helen Hardt
- Freed, Helen Hardt
- Possession, Helen Hardt
- Flare, Steel brothers saga, book 23., Helen Hardt
- Hardt, Helen, Blood bond saga, v. 11
- Treasuring Amber, Helen Hardt
- Blood bond saga, Helen Hardt, Part 6
- Hardt, Helen, Steel brothers saga, bk. 6
- Craving, Helen Hardt
- Hardt, Helen, Steel brothers saga, book 3
- BLOOD BOND, 3;
- Fortune, Steel brothers saga, book 26., Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 16
- Obsession, Helen Hardt
- Chance, Steel brothers saga, book 25., Helen Hardt
- Melody, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 15
- Blood bond saga, Helen Hardt, Part 1
- Blood bond saga, Helen Hardt, Part 2
- Smolder, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 8
- Obsession, Helen Hardt
- Blood bond saga, Helen Hardt, Part 11
- Blood bond, Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 3
- Hardt, Helen, Temptation saga, bk. 4
- Hardt, Helen, Blood bond saga, v. 2
- Undaunted, Helen Hardt
- Blood bond saga, Helen Hardt, Part 4
- Flame, Helen Hardt
- Melt, Helen Hardt
- Blood bond saga, Helen Hardt, Part 10
- Hardt, Helen, Steel brothers saga, bk. 4
- Blood Bond, 14;., Helen Hardt
- Hardt, Helen, Steel brothers saga, bk. 9
- Hardt, Helen, Steel brothers saga, bk. 2
- Obsession, Helen Hardt