Elysium Legacies Series by Erin Hayes

Caught between life and death, all Callie wants is to live again. Homicide detective Callie Saunders knows that death isn’t all pearly gates and angels. After being hit by a bus, she finds that it's the ancient gods and goddesses of Greek mythology who are in charge of everything. So when Hades offers her a deal, she accepts. If she wants to be brought back to life, she’ll have to figure out who is trying to kill his son. But if she fails, both her soul and the world will be destroyed... moreCaught between life and death, all Callie wants is to live again. Homicide detective Callie Saunders knows that death isn’t all pearly gates and angels. After being hit by a bus, she finds that it's the ancient gods and goddesses of Greek mythology who are in charge of everything. So when Hades offers her a deal, she accepts. If she wants to be brought back to life, she’ll have to figure out who is trying to kill his son. But if she fails, both her soul and the world will be destroyed. With the odds mounting against her, it’ll take everything she has within her to wake up from death. But the rules are constantly changing. And someone wants her to stay dead. less

The sequel to the genre-bending, hugely imaginative Death is but a Dream. “There must always be a God of Wealth…” Former police detective Callie Saunders shouldn’t be alive, but she’s been thriving with her new lease on life away from the machinations of the ancient Greek gods and goddesses. Yet there’s always been someone missing from this little piece of paradise. When a vengeful god kidnaps her son, she travels back to a world she barely understands to find him... moreThe sequel to the genre-bending, hugely imaginative Death is but a Dream. “There must always be a God of Wealth…” Former police detective Callie Saunders shouldn’t be alive, but she’s been thriving with her new lease on life away from the machinations of the ancient Greek gods and goddesses. Yet there’s always been someone missing from this little piece of paradise. When a vengeful god kidnaps her son, she travels back to a world she barely understands to find him. A world where she must face humanity’s greatest enemies and her former lover. If she’s not careful, she’ll lose her soul again. And, maybe, even her heart. less