Patisson and bitter radish

Semyon is sure: his summer is hopelessly spoiled. Friends go to the sea and to the camp, and he is to his grandmother in the village.
But Margot categorically disagree with him! Who is Margot? The girl living in the neighborhood, after meeting with which Semyon turns into a pale Patisson - the leader of the Indian tribe "Say the Harvest.
Each notion of Margo turns into a real adventure. Friends catch crucian carp and accidentally steal a boat, climb into a closed territory and stumble upon a tied bull, look for treasures in an abandoned warehouse and are lost in a corn forest. What else is waiting for heroes?
And if this summer is hopelessly spoiled, why doesn"t Patisson want to leave?
For primary school age