A bookworm is someone who likes reading very much.

For example:

I was a real bookworm when I was a child. I used to read one book a week.

They indeed became bookworms, and their communication skills improved.

She was a bookworm and an overachiever in high school.

My mom is such a bookworm — she always has a book in her hand.

Tradução: rato de biblioteca, devorador de livros, leitor ávido, traça.