Detective Pure and the Case of a Million

Mark Million lives next to a grumpy old man nicknamed the Ghost, and is not thrilled about this neighborhood. The boy would be happy if the Ghost disappeared from Tunnel Street forever.
To his surprise, when the troublesome neighbor actually disappeared... only Mark noticed it. His intuition told him that the old man was in danger, but why risk it over such an unpleasant neighbor?
Mark was already getting ready to go to bed when he remembered that he had made a detective's oath! To guard secrets, unravel the most tangled cases, help those in trouble, to be brave.
He doesn’t even understand how he ends up at the creepy mansion of the old man at night. But it is from this moment that Mark begins to unravel the web of secrets and intrigues surrounding the family of his grumpy neighbor.