The Cogheart Adventures Book 2: Moonlocket (Paperback)

When infamous escapologist Jack Door breaks out from Pentonville Prison, he sets out for the town of Brackenbridge, determined to find his missing treasure - the Moonlocket. But when Lily and Robert unwittingly find themselves caught up in Jack Door's search, they discover that Robert's history holds the secret to the Moonlocket's whereabouts...