The Ugly Swans is a science fiction novel by Soviet writers Arkady and Boris Strugatsky. In the USSR, it was published in 1987, in the Latvian magazine Daugava, with the title "The Time of Rains".

The Second Invasion from Mars, subtitled Diary of a Sane, is a relatively short 1968 science fiction novel by Arkady and Boris Strugatsky that portrays two weeks from the life of a common person in hi