This is the 10471st most frequent Polish word.
czytelnikom
"Czytelnikom" means "to the readers" or "for the readers" in English.
In this sentence, 'czytelnikom' is the indirect object (in dative case) and refers to the 'readers' to whom the attention was directed.
Autor książki zwrócił uwagę czytelnikom na ważne informacje.
The author of the book drew the readers' attention to important information.
Here, 'czytelnikom' is used as the recipient of the offering, again in the dative case, indicating to whom the library provides resources.
Czytelnikom biblioteka oferuje szeroki wybór czasopism i książek.
The library offers a wide selection of magazines and books to the readers.
In this sentence, 'czytelników' is in the genitive case and refers to the readers being described or discussed, showing possession or association.