The Edge of Dawn (Edge Series)

The final battle approaches, the light of science and reason against an ancient supernatural army poised to destroy the world. Overwhelmed after a series of catastrophic events, Richard Oort is still determined to fight the horrific Old Ones. While undercover in a Christian fundamentalist compound, he finds an unlikely ally, another human who can use the paladin's weapon, one who might be able to join him and lighten the burden of responsibility. There's only one problem Mosi is a nine-year-old girl. To keep her safe Richard becomes her guardian, but an error in judgement leads to disaster and betrayal, and now the pair will need to summon all their strength to survive the coming battle. From the American southwest to a secret society in Turkey, the paladin and his ward try to stay in front of their enemies, but the world is at stake and time is running short.