Some thoughts about the books can be found on Goodreads. Here's the challenge shelf.
1. Sleeping Beauty by Judith Ivory
2. Fatal Chaos by Marie Force
3. Melting Point by Kate Meader
4. Sparking the Fire by Kate Meader
5. The Warrior by Margaret Mallory
6. The Chieftain by Margaret Mallory
7. The Gift by Margaret Mallory
10. How To Lose a Demon in 10 Days by Saranna DeWylde4. Sparking the Fire by Kate Meader
5. The Warrior by Margaret Mallory
6. The Chieftain by Margaret Mallory
7. The Gift by Margaret Mallory
11. How to Marry a Warlock in 10 Days by Saranna DeWylde
12. How to Seduce an Angel in 10 Days by Saranna DeWylde
13. Beautiful Secret by Christina Lauren
14. Dark Light by Jayne Castle