Viirulise purje all

Under a shabby sail, the old and tough fisherman Unipiha Mihkel sails the waters of a large lake. And it is quite natural that sometimes the boys who live in a small town on the shores of this lake also end up in his sailboat.

This book tells the story of the adventures of these boys.

However, the activities of the young people are not limited to games. When the fishermen have conflicts with the men of the research station established by the lake, the boys eagerly begin to explain whose side is the truth and fight to resolve the dispute fairly.