Across the Realms - War of the Gods, #3

To save humanity, the Olympian gods must challenge the armies of both Heaven and Hell. Over a thousand years ago, the Greek Olympian gods did not simply disappear--they were banished and renamed to be forgotten and powerless. Still angry from its recent defeat, the generals of Hell regroups and launches a final attack on humanity. The stakes are high as God refuses to step in and aid humanity against death at the hands of Lucifer himself.
Now caught in the middle of a war between Heaven and Hell, Hermes, Herakles, and his feuding family must come together to protect their youngest godling, Brad, the last son of Zeus. The final chapter in the War of the Gods is part fantasy, part horror, and you've never seen mythology like this. Book I: Exiled from HellBook II: Reign from Heaven