About the book: 1953 / Nero Wolfe receives a letter from Leo Heller, a mathematician, with an offer to meet and discuss a problem. Heller became famous for the fact that, using probability theory, he can very reliably predict various events - from the outcome of the presidential election to instructions on where to look for a lost wallet. Wulf, who considers Heller a charlatan, refuses to accept him outright, although Archie sees nothing wrong in listening to him. Archie goes to Heller's apartment and discovers his body there.…