This is the 8178th most frequent Russian word.
лукьяненко
"Lукьяненко" is a Russian surname and does not have a standalone definition.
In this sentence, 'Лукьяненко' is a proper noun referring to an author, indicating an individual's name in nominative case.
Лукьяненко написал книгу, которая стала бестселлером.
Lukyanenko wrote a book that became a bestseller.
Here, 'Лукьяненко' is used as a proper noun indicating a person's name in accusative case where its grammatical role is the object of the verb.
Сегодня я встретил Лукьяненко на книжной ярмарке.
Today I met Lukyanenko at the book fair.
In this context, 'Лукьяненко' refers to the author's surname in genitive case, showing ownership or relation to the books.