Сири is ten years. She lives together with a father and septennial cissy on a little island far in the north. As well as any child in these edges, she knows that it is necessary to beware pirates. In fact pirates steal children and compel them to work on diamond mineries. Once trouble came and to Сири. Pirates stole her little sister. Сири must save her. And a girl sets forth for a dangerous and long trip.The "pirates of the Ice sea" are already published on 10 languages, in more than 10 countries. Book for the children of junior and middle school age, and also their parents.In Russian language published first.