Brian Lumley 
Necroscope II: Wamphyri! 

Things in the ground, thinking their thoughts . . . . . . Thoughts they can express only through Harry Keogh, NECROSCOPE. For that’s Harry’s talent, and his burden: he reads the thoughts of the dead in their graves – and the thoughts of the UNdead! Except . . . the undead are thinking thoughts that are totally-unthinkable!Yulian Bodescue’s mother fainted at the tomb of Thibor Ferenczy, vampire. Corrupt from birth, now Yulian feels a strange compulsion: to discover his real father and spread his works abroad. Only Harry Keogh, prisoner of the metaphysical Mobius Continuum, can stop him. Harry’s other big problem is this:HE DOESN’T HAVE A BODY!