Rhyn Trilogy Series by Lizzy Ford

Alternate cover edition - ASIN B005347RCW. Katie didn't send her boyfriend to Hell, but she's going there to bust him out! Katie thinks she’s going crazy when a baby angel and death’s personal assistant appear on her doorstep. Both claim she’s destined for something great. If she can survive, that is. She’s drawn into a world filled with immortals like Rhyn, an outcast who claims her as his mate in a show of defiance to his brothers... moreAlternate cover edition - ASIN B005347RCW. Katie didn't send her boyfriend to Hell, but she's going there to bust him out! Katie thinks she’s going crazy when a baby angel and death’s personal assistant appear on her doorstep. Both claim she’s destined for something great. If she can survive, that is. She’s drawn into a world filled with immortals like Rhyn, an outcast who claims her as his mate in a show of defiance to his brothers. Katie rescues Rhyn from Hell, and he discovers fast just how special his little human is. With Death counting his days on one hand, Rhyn must learn to love, before his own time is up and Katie becomes the first human casualty in the brewing war between immortals. Will the love between a gifted young woman and an immortal outcast save the world-- or destroy it? less

Three weeks after leaving Rhyn, Katie learns the Immortals have no intention of letting her go despite her deal with their leader. Rhyn discovers he can only protect her if he accepts his place among the Immortals. However, doing so may cost him the only thing that matters. Meanwhile, demons are closing in, and Death orders Katie killed. Death's assassin and the demons pursue them, and Katie will have to choose between Death or Hell to save Rhyn from both. Young Adult fiction... moreThree weeks after leaving Rhyn, Katie learns the Immortals have no intention of letting her go despite her deal with their leader. Rhyn discovers he can only protect her if he accepts his place among the Immortals. However, doing so may cost him the only thing that matters. Meanwhile, demons are closing in, and Death orders Katie killed. Death's assassin and the demons pursue them, and Katie will have to choose between Death or Hell to save Rhyn from both. Young Adult fiction. Mature teens only. less

Katie and Rhyn are in a race against time to free Katie from the underworld, before Death claims her soul and that of her child. When Katie’s guide in the underworld disappears, she has one option: trust the ghost of someone long-dead and seek out Death's fortress in order to try to escape through the portal leading back to the mortal world. Rhyn discovers Katie's alive but struggles to control his demon powers, which were unleashed when he un-bonded her... moreKatie and Rhyn are in a race against time to free Katie from the underworld, before Death claims her soul and that of her child. When Katie’s guide in the underworld disappears, she has one option: trust the ghost of someone long-dead and seek out Death's fortress in order to try to escape through the portal leading back to the mortal world. Rhyn discovers Katie's alive but struggles to control his demon powers, which were unleashed when he un-bonded her. He opens the barrier that keeps Death safe from the Dark One. Demons and his immortal brothers follow him as he seeks out Death to make a deal for Katie’s life. When Death reveals to Rhyn what will happen if Katie’s soul is returned, he must choose between destruction of the world or his own mate. less