Echelon, Series by Evi Asher

Caden Remington was killed in action, but he didn't stay dead. An unscrupulous government agency brought him back to life by mixing his DNA with some unknown creature, and now he is a zombie. He hates what he is. Wanting revenge for what the government did to him, he finds himself thrust into a world after the war, and a life he isn't ready to experience. Portia is an assassin and a mage. She hunts down the creations of the former human government and ends their lives... moreCaden Remington was killed in action, but he didn't stay dead. An unscrupulous government agency brought him back to life by mixing his DNA with some unknown creature, and now he is a zombie. He hates what he is. Wanting revenge for what the government did to him, he finds himself thrust into a world after the war, and a life he isn't ready to experience. Portia is an assassin and a mage. She hunts down the creations of the former human government and ends their lives. When she is assigned to a new case involving zombies, she finds herself paired with Caden as they try to find answers. Can she get over her hate of zombies and realize that Caden was made for her and that she is his cure? less

Hell Lord Eligos has been tossed out of Hell, all because of a meddling mage. Now he has to rely on the same mage to try and get himself back home where the smell of sulfur is the smell of happiness. There is only one problem with his idea. Stracey… The mage’s sister is someone he can’t seem to get out of his mind. On a mission to find Galen, Stracey keeps butting her way into his mind. How is a Hell Lord supposed to stay evil with such an angel of a woman around?