The Sand Prince (The Demon Door)

Spice Level 3- Velvet Flame- Tastefully Steamy- On-page intimacy romantically and emotionally described.  

Two worlds, divided by a door. On the war-ravaged demon world of Eriis, Hellne, the fierce young queen, fights to keep her people alive... On the green and gentle human world of Mistra, the demons have faded into myth. Only a handful of old men and children still guard The Door between the worlds... Rhuun, the Prince of Eriis, uncovers a forgotten book written by a human, sparking an obsession with the other world. When he is forced to flee Eriis, he must escape through The Door or pay the price in blood. The humans of Mistra are not what Rhuun was expecting—and one insufferable young woman in particular is about to find out that the demons of Eriis are not mythological after all...In Kim Alexander’s debut novel she weaves a witty, epic fantasy brimming with diverse characters and plenty of intrigue.v