Vampires Vs. Aliens, Book Four: The Jabari Invasion. Vampires Vs. Aliens, #4

They came from a dying world to steal the Earth's water, a scarce resource they need to survive but didn't anticipate resistance from the vampires. The aliens' plan would doom the human race... And with no humans or other life left on Earth, the planet's furtive vampire population would be deprived of its sole food source. Now the vampires must wage a secret war against the invaders while hiding their own existence from the humans. In Book 4, The Jabari Invasion, Kevian's past from the Water Wars returns to haunt him and threaten the safety of Earth, as anti-alien prejudice breaks out on the planet.
The vampires must deal with a werewolf in their midst. Courtney Cartwright confronts Sebastian after discovering his secrets but has his inadvertent action already sealed their fates? The Jabari have learned their former foes the Hyperions have been decimated and are helplessly in orbit around Earth's moon. Now the Jabari fleet is headed into our solar system on a mission of vengeance and obliteration! Science Fiction-Fantasy.