Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Cloud, Castle, Lake is a short story anthology by Vladimir Nabokov. It contains five stories: "The Admiralty Spire," "Razor," "A Russian Beauty," "Cloud, Castle, Lake," and "Signs and Symbols."
References
Boyd, Brian (2016). Vladimir Nabokov: The Russian Years. United States: Princeton University Press. p. 439.