– By the authors of the books 'Monday Begins on Saturday', 'Prisoners of Power' and 'Hard to Be a God'.

– Arkady and Boris Strugatsky are the central figures in Soviet science fiction; their work had an enormous influence on all subsequent development of the genre in our country.

– Edition in the 'Exclusive Classics (The Best)' series — with recognizable design, hardcover, quality paper and a ribbon bookmark.