Blood Oath

Sharpandambitious,ZachBarrowsisonhiswayup.Butwhenhegetsacat[fromtheWhiteHouse,it'snotquitethepromotionheexpected.Zachistobethenewpo[iticatLiaisonofficertoAmerica'sbestkeptsecret:Nathanietthe.ThePresident'svampire.AndCadeisthewortd'sonlyhopeagainstahorrifyingterroristthreat...