Darkside (Book 1)

Jonathan Starling's home has been attacked, his dad is in an asylum, he's running for his life, and there's nowhere to hide. Jonathan has stumbled upon London's greatest secret: Darkside. Incredibly dangerous and unimaginably exciting, Darkside is the creepiest place Jonathan has ever seen. It's a world of nightmares and secrets, where vampires and werewolves stalk the streets, where fear and evil rule, and Jonathan has to find a way out. . . . Join Jonathan on the Darkside for a nail-biting, nonstop adventure! - From Goodreads