Treasure from the Sky

And yet Yura and Leshka only went out to get some air and take a break from preparing for their exams! But it wasn’t meant to be: the boys saved an injured bird and, it seems, became owners of a real secret. Someone coded an “SOS” signal and sent a letter to an unknown address by pigeon post. What should they do?

Of course, they need to find out who the white pigeon belonged to and locate the castle whose key is tied to the bird’s paw. That’s what the friends set out to do—when, right in the middle of the day, Katya, Leshka’s sister, was kidnapped. Could it be because of their search?