True Olympian 
 by Cris Galdamez:
 
The epic conclusion to the swashbuckling, romantic fantasy duet that is perfect for readers who loved Fourth Wing and A Touch of Darkness!Not even death will stop her.
I have once again been torn from everything I have ever known. Trapped in the realm of darkness and ruin, I am ready to succumb to my misfortune and embrace the eternal rest I have more than earned.
But the souls of the recently deceased begin to pile up, and the God that rules over this realm and over my heart is nowhere to be found. If they are not getting the afterlife they deserve, what kind of hero would I be, were I to abandon them?
And so, I become the Goddess the Underworld needs.
Taking over Hades' tasks is easier said than done, and the more I dig, the more things I uncover that are not adding up. Why are there so many new souls? Where are all these monsters coming from?Danger looms over the Underworld, and when a trip to Tartarus yields even more questions, something becomes stark I need to find answers.
Only, the God that has them is in a realm that is once again beyond my reach. The odds pile against me, for no mortal can escape the realm of the Dead once they have entered it. But I am not ready to give up.
Because I am no mere mortal.
I lost everything to save the Underworld, and I refuse to let my sacrifice be in vain.
Life, love, justice and happiness are all in the line, and I will fight with everything that I have to earn them back. Enemies across realms, be prepared, for there is nothing more dangerous than a fallen Goddess that has nothing to lose.
And everything to win.