This is the 11244th most frequent German word.
simone
"Simone" is a German female given name, equivalent to "Simona" or "Simone" in English, and does not have a specific standalone meaning.
Here 'Simone' is a proper noun referring to a person's name, used as the subject of the sentence.
Simone geht heute ins Kino.
Simone is going to the movies today.
In this sentence, 'Simone' is a proper noun referring to a specific individual, the person being asked about in the question.
Hast du Simone gesehen?
Did you see Simone?
In this context, 'Simone' is a possessive noun indicating ownership of the books.