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The Black Tattoo (original 2006; edition 2007)
by Sam Enthoven
The Black Tattoo by Sam Enthoven (2006)
References to this work on external resources.
Wikipedia in English (1)
Amazon.com Product Description (ISBN 0739336754, Audio CD)Jack’s best mate, Charlie, has always been effortlessly cool. When Charlie wakes up one day and finds a mysterious, moving black tattoo on his back, it’s a clear sign that he’s even cooler than Jack thought. To top it off, Charlie has got super powers also.
Or does he?
Jack soon learns the terrifying truth: Charlie’s incredible powers come from an age-old demon called the Scourge, who is using Charlie to bring about its evil master plan.
When the Scourge vanishes with Charlie, Jack and Esme, a girl with super powers of her own, follow their friend from the streets of London into Hell itself, where they face horrors that may well cost them their lives.
(retrieved from Amazon Thu, 12 Mar 2015 18:08:26 -0400)
When his best friend, Charlie, is possessed by an ancient demon, fourteen-year-old Jack, accompanied by a girl with superhuman powers, battles all over London and into Hell to save him.
(summary from another edition)