Hero For Hire by CB Pratt
Series: Eno the Thracian, Book 1.
Approx. 94,850 words.
Published on November 1, 2013.
With all the famous heroes fighting the Trojan War, there's freelance work enough in an Ancient Greece where the monsters are as real as the Gods. Armed with his wits and a mysterious sword, Eno must stop the Witch-Goddess Hekate from opening the seventeen doors of Hades to release her zombie army...and find his own way out before becoming her immortal general or, even worse, her lover.