The Adna Planet Series

"When the stakes are high, these sexy alien warriors don't back down."
In an uncertain world, several races want to sell the weaker ones into slavery. The people who live on planet Adna are polyamorous. When it comes to sex it's a group affair.
When humans and aliens are put into dire situations, the only thing they can do is turn to each other. When the adrenaline is high, so is the sexual fervor.
All three The Adna Planet Series books are included in the set:

1. Baston
2. Sca
3. Ruby
You'll want to keep reading through hot hookups and wild encounters to find out what happens next.
This box set include hot sex, taboo love, and elements of danger.