The Lost Heir (The Gryphon Chronicles, #1)

From Back Cover:

Strange new talents...

Jake is a scrappy orphaned pickpocket living by his wits on the streets of Victorian London. Weird things have been happening to him lately. He's Started seeing ghosts, and can move solid objects with his mind! He has no idea why. Next thing he knows, a Sinister Gentleman and his minions come hunting him, and Jake is plunged headlong into a mysterious world of magic and deadly peril. A world that holds the secret of who he really is: the long lost heir of an aristocratic family with magical powers.

But with treacherous enemies closing in, it will take all of his wily street instincts and the help of his friends -both human and magical- to solve the mystery of what happened to his parents and defeat the foes who never wanted the Lost Heir of Griffon to be foundd...