Beautiful Monster Series by Jeanne Bannon

Lev Baronovsky, a soulless creature of the night, has a problem. Carly, the love of his life has just died in an accident and in three days will pass to the other side. Without a soul, he cannot cross over with her and the thought of spending eternity without his beloved is unbearable. Is seventy-two hours enough time to find a way?With the help of his brother, Alexei, they must face the vilest creature of all, Boris, an ancient one with selfish motivations of his own.