Possessor of literary bonus №1 in Japan - "Japanese detective literature".Шорт-лист of bonus "Edogawa Rampo"A few ten of millions of the books sold in one only Asia."God of Riddle" - so Симаду Содзи name in Japan. It he created a хонкаку-детектив - new genre so popular in Country of an Ascending Sun. Detective in that the reader a honest intellectual game is offered to : to expose business before, than it a protagonist will do.Japan, Christmas 1983. Rich industrialist Кодзабуро Хамамото collected in the mansion of friends and acquaintances. Guests are staggered by his house - whimsical construction with by a great number rooms, sloping полами and incomprehensible where by leading stairs, with a "falling" high tower reminding Пизанскую. All of them entrance fantasy of owner and prepare merrily to meet Christmas.But it is not fated their expectations to come true. Because in christmas eve there is murder in a house. From a blow the driver of one of invited perishes a knife. The quickly caused policemen are in complete confusion. In fact murder it was impossible to accomplish are all circumstances and terms against it. And reason for anybody is not present.While inspector with helpers break a head, and guests are in a prostration, in a house there is the second murder yet more unbelievable. Associating with by the authority, the stunned policemen know that a man able to find a criminal goes to them. That it is an astrologer and guess from Tokyo of Киеси Митараи. And that only he one is able to understand this stunning puzzle.