The Earth is at war! After a vicious assault by an alien empire, Captain Ryan Flannery leads a team of special forces soldiers in a daring mission off-world in an attempt to swing momentum in Earth's favor. Elsewhere, Alyssa Cosimo struggles to survive as the captive of a psychotic ex-Imperial general who is hell bent on revenge against his own kind. Paths cross and loyalties are tested as Captain Flannery learns that the Empire may not be the greatest threat. The rogue general holds the key to a secret that could destroy the galaxy. Demons of the Hallowed Dome is the first book in the Acheron trilogy- A journey with mythic origins that will take humanity to the edge of existence, and beyond.