bookworm (n)

Rosie has been a bookworm since she read her first book, aged four.
Sarah is a true bookworm; she can often be found with her nose in a book, devouring novels of all genres.
As a bookworm, John's extensive collection of books filled every corner of his home, from floor to ceiling.
The bookworm in me couldn't resist the temptation of a bookstore sale, and I ended up leaving with a bag full of new reads to add to my collection.