5 books in series
The Billionaires of Blackcastle
The Billionaires of Blackcastle is a 5-book series with 5 released primary works first released in 2014 with contributions by Olivia Gates.
| #1 |  From Enemy's Daughter to Expectant Bride
| 3.5 | 2 reads | ||
| #2 |  Scandalously Expecting His Child
| 3.5 | 2 reads | ||
| #3 |  Pregnant by the Sheikh
| 3.5 | 2 reads | ||
| #5 |  Billionaire Boss, M.D.
| 4 | 1 read | ||
| #6 |  His Pregnant Christmas Bride
| 4 | 1 read |