R. K. Melton has 6 audiobooks on Listento.it, narrated by 4 narrators. The most-rated is Sanctuary.

Within the heart of the Demon War nothing can be taken for granted as it sends the destinies of those involved into a most dangerous and seductive form of chaos. One man finds out that strangers can collide in the dark for a moment of blinding passion, only to be separated by the cold hand of fate without even a name to help in his hunt for her. Another man will find that when the Shadow of Death becomes a stalker, the most seductive of enemies can quickly become his strongest ally...even if it's against his will. And can the heart of one soul mate keep the two men who love her from killing each other?
©2011 Blankenship Publishing (P)2012 Blankenship Publishing

The essence of blood is a mystery that has many meanings. Blood is the bringer of life...but if spilled, it can destroy life in the blink of an eye. Legends say that blood is also the link that binds soul mates together...even if one of those souls has shattered. Tempers and morals of the L.A. paranormal are tested when innocence, regardless of its origins, is threatened. They are reminded that not all demons are evil...sometimes even demons need to be saved from the things that really do slither in the night. During revelations full of death, rebirth, and acceptance of the inevitable, a new weapon is forged by the falling of the blood rain.
©2017 Amy Blankenship (P)2017 Amy Blankenship

Quinn Wilder has watched her with the hungry eyes of a cougar since the day she was born. When she became a teenager, the temptation to claim her as his mate quickly became a rift between him and her overprotective brothers. When their fathers killed each other in battle, the ties between the two families were severed, and she was taken safely out of his reach. Stalking her from a distance, Quinn finds the vampire war has its good points when she forgets to stay away. Kat Santos hadn't seen the owner of Night Light for years. That is until Quinn suddenly decides to kidnap her and accuse her of setting him up for the vampire murders. Realizing the enemy is playing them, the two families combine their strength to stop the vampires from terrorizing their city. As the underground war escalates, so do the flames of desire, as what started out as a kidnapping quickly turns into a dangerous game of seduction.
©2017 Amy Blankenship (P)2018 Amy Blankenship

With the blood spell broken, Kane clawed his way out of the ground and searched for the soul mate that had freed him only to find that she'd vanished. With nothing left to lose and revenge on his mind, he started a war. The last thing he expected was to find his elusive soul mate in the path of destruction he'd caused. Quickly becoming obsessed, he watches when she isn't looking, listens when he's not been invited, and stalks her every move...and the demon that haunts him knows she is his weakness. To protect her, Kane vows to make her hate him, even if he has to join the demon side to do it. But how can he protect her from her greatest enemy of all when that enemy is himself?
©2017 Amy Blankenship (P)2018 Amy Blankenship

Michael finds that sometimes the blood of powerful immortals do not mix even when they are soul mates and in the heat of passion. A mating mark is a symbol of possession but for Michael that tiny taste of blood is his downfall. The blood of the Fallen is deceptively seductive to a Sun God and the powerful rush Michael receives is very addictive. In order to protect Aurora from himself, Michael begins to hunt down the most powerful demons in the city to satisfy his dark craving. As the black blood pulses within his veins Michael loses himself to the rush and becomes just as dangerous as the demons he is hunting.
©2012 Blankenship Publishing (P)2013 Blankenship Publishing

Michael is the one everyone expected to keep his cool in the most dangerous situations...but they soon realize it's the calm ones you have to watch out for. His power and temper spiral out of control when he becomes obsessed with a girl who keeps stroking his passion, only to vanish before he can find out anything about her. With every taste he gets of her, his obsession quickly turns into an addiction. Aurora is bound against her will to Samuel, an ancient and powerful demon who is still stalking her every move. Keeping her freedom means she must stay one step ahead of the possessive demon. When she finds herself drawn to an amethyst-eyed lover, she quickly finds her passion for this stranger is leading Samuel directly to her and the man she wants to protect. Samuel vows to do whatever it takes to keep Aurora bound to his side. In his need to force Aurora's obedience, he unwittingly stokes the fires of a power he has no hope of extinguishing - the righteous fury of a Sun God.
©2012 Blankenship Publishing (P)2013 Blankenship Publishing