About the book: year / The detective story takes you to Chicago in the thirties of the last century. At that distant time, there were many criminal gangs calling themselves “Mafia”. But, the Mafia is not only “obvious” bandits with guns, but also ordinary people who are trying to make money through dishonest labor. These are the people our heroes will have to face... they will have to solve a series of mysterious, brutal murders. And catch the maniac who is planning a strange game…