This is the 8712th most frequent Russian word.
пелевина
The word "пелевина" does not have a direct meaning in Russian; it might be a proper noun, such as a surname (e.g., referencing the author Viktor Pelevin).
The word "пелевина" here is used as a possessive adjective referring to the author Viktor Pelevin, meaning "of Pelevin."
Пелевина книги часто описывают необычные миры.
Pelevin's books often depict unusual worlds.
The word "Пелевина" is used as a genitive case, showing possession (the book belonging to Pelevin).
На полке лежала новая книга Пелевина.
A new book by Pelevin was lying on the shelf.
Here, "Пелевина" again is in the genitive case, showing association with the short stories.