Sergei Lukyanenko 
Last Watch [EPUB ebook] 

While on holiday in Scotland, visiting a macabre tourist attraction, The Dungeons of Edinburgh, a young Russian tourist is murdered. As the police grapple with the fact that the cause of the young mans death was a massive loss of blood, the Watches are immediately aware that there is a renegade vampire on the loose. Antonthe hero of The Night Watch, The Day Watch, and The Twilight Watchis detailed to this seemingly mundane investigation, but on arriving in Scotland begins to realize that there is much more to the story than a wildcat vampire and a single murder.Aided by Thomas, the head of Edinburghs Night Watch, Anton investigates and ruminates, and becomes aware that a team of unlicensed Others are hunting for a fabled magical treasure, hidden in the sixth level of the Twilight by Merlin himself.From the Trade Paperback edition.