1. The Billionaire's Contract (His Submissive, #1): 7/24/2012
2. The Billionaire's Touch (His Submissive, #2): 9/4/2012
3. The Billionaire's Passion (His Submissive, #3): 10/4/2012
4. The Billionaire's Heart (His Submissive, #4): 11/9/2012
5. The Billionaire's Girlfriend (His Submissive, #5): 01/24/2013
6. The Billionaire's Secret (His Submissive, #6): 03/01/2013
7. The Billionaire's Lust (His Submissive, #7): 03/22/2013
8. Untitled Part 8: 04/19/2013
The Billionaire's Lust (Part Seven) will be out in a little over two weeks! :D
If you ever need to reference dates, they'll be at the 'About the His Submissive Series' tab up top.
Thanks to everyone that's picked up a copy of The Billionaire's Secret and reviewed/added it to their GR shelf/and any other awesome sauce activity! Your support means the WORLD.
As always, if you have any questions or concerns, feel free to email me/comment/tweet me and I'll do my best to address them. <33