Tunnels of Blood is the third novel of twelve in The Saga of Darren Shan by Darren Shan. In this book, the history of the vampires is explained to a small bit, and introduces the clan of the Vampaneze, which will become one of the major focuses of the story. It is also the final book of the Vampire Blood trilogy and where Darren's loyalty and trust in Mr. Crepsley is put to the test. Plot Summary This story introduces Gavner Purl, a full vampire and an old friend of Mr. Crepsley. Gavner Purl is a Vampire General. Gavner Purl is shocked to discover Darren a half-vampire. Mr. Crepsley wants to talk to Gavner Purl alone in secrecy. After the meeting, Gavner walks with Darren for a while, revealing to him that Mr. Crepsley was a Vampire General and was about to be invested as a Vampire Prince, who is a leader of the Vampire Clan. He also lets slip that Mr. Crepsley is going to leave the Cirque and finally binds Darren to secrecy regarding all these facts. A day or so later, Mr. Crepsley does inform Darren that he must leave and Darren has to accompany him to some place. He suggests that Evra can come with Darren as if on a "vacation" and to help him keep Darren out of mischief as Mr. Crepsley pointed out incidents regarding Madam Octa and Sam Grest. They go to the city and get a disguise made for Evra and in the night while Mr. Crepsley goes out on mysterious excursions, in the day, Darren and Evra enjoy themselves. When looking for a Christmas gift for Evra, Darren comes across Debbie, a girl from the Square, where they were staying. The two begin dating and like each other very much. After a date and a "kiss" with Debbie, when one night Darren reaches back to the hotel, he and Evra are disturbed by a news report saying that human bodies were found in a basement, drained of blood. Darren and Evra fear that it may be Mr. Crepsley, and decide to track him at night to see where he goes. When Darren thinks that he is about to go and kill a man, Darren attempts to face Mr. Crepsley and tries to stop him, but discovers that it was actually a work of a mad Vampaneze named Murlough. Murlough runs away,