About the book: year / Count Sessin is about to die - for the last time. The chief scientist Gadfiy is about to receive a mysterious message, which he has been waiting for many years, from the Valley of the Sliding Stones. The young walker Baskul is about to plunge into the chaos of the cryptosphere, going to the rescue of his ant friend. And everything in the world is about to change irrevocably. After all, behind the scenes the “unfailing weapon” is patiently waiting in the wings».