Vampire blood trilogy

TUNNELS OF BLOOD When Mr Crepsley is called upon by the Vampire Generals, Darren and the snake-boy, Evra Von, leave the Cirque Du Freak and travel with him to the city.

Whilst there, Darren meets Debbie and his life as a Vampire's Assistant fades into the background -- until corpes are found.

Corpses drained of blood...Suspicious of Mr Crepsley's secretive bahaviour, Darren and Evra shadow him across the city and confront a creature of the night who may be the end of them all...