About the book: year / Faithful friends Pashka Soldatkin and Sanya Chibisov come up with an unusual idea: to look at spring Moscow through... a telescope. Suddenly, the window of an apartment in the building opposite accidentally falls into the eyepiece of the device. To their own horror, the guys see a chilling picture... As amateur detectives, the friends understand that a real killer lives in Sanin’s entrance. But who is he? An old lady walking a huge Great Dane in the yard? Or maybe Sanya’s good friend is Ivan Antonovich? But no matter who he is, catching the criminal is a matter of honor for the guys…