Dylan Dog. L'inquilino del terzo piano

Poor Mr Kaminski was obviously suffering from paranoia. He claimed his neighbors were tormenting him and harassing him with thousands of dirty tricks, that they were trying to drive him mad... And perhaps he was right!

What lives within the old walls of that apartment block? Perhaps the very worst type of curse, the kind that condemns us to look at ourselves in a penetrating mirror, and face our image, our double.