Ghosts and mythical creatures appearing in rumors and fairy tales usually cause fear and horror. They appear in various places and at various times and according to their character they haunt, some do good, others do harm. However, sometimes they are unpredictable and it is not clear whether they will behave favorably or unfriendly. Often their curse is a punishment for immoral and dishonest living. The book presents the most famous ones that move around Prague.