Books, 1980, 234pp, See also The Ugly Duckling Notes External links Б. Стругацкий «Комментарии к пройденному. 1979—1984 гг.» Ugly Swans as part of Limping Destiny on authors site (in Russian) Full text of «Гадкие лебеди» in Russian 1968 novels 1968 in the Soviet Union 1968 science fiction novels Soviet science fiction novels Novels by Arkady and Boris Strugatsky Russian novels adapted into films Science fiction novels adapted into films