Thirteen

When Joe Bulmer, a London punk with mild telekinetic powers, discovers a mysterious black pearl which increases his abilities to unbelievable levels, he thinks he's struck it rich. But he soon discovers that the pearl's original owners want it back, as do a terrifying race of alien shape-shifters! Now, with the help of Daksha, a beautiful Asian telepath, Joe must fight to save the pearl from forces who would use it to destroy the Earth!Mike Carey is the author of 'Thirteen', published 2005 under ISBN 9781401205850 and ISBN 1401205852.