The secret of Krylashkin’s courtyard. Parfenov Yu.

The summer St. Petersburg day, thirteen -year -old Vanya is going to go on vacation, but in her front -line finds a wounded mysterious bird. He puts off a trip, looking for a specialized veterinarian. But under strange circumstances, the bird disappears without a trace. He starts to search for her. A classmate and neighbor in the courtyard of Christina joins him. In the way they will find incredible and dangerous adventures with chases, terrible meetings and travels into the past.