Mildred started reading Montag's hidden books after he showed her his hidden stash. At first, Montag found the writing incomprehensible and difficult to comprehend.
Argument
Montag gets a seashell-like communication device from Faber, so that Faber can assist him when he is around Beatyy and the other firefighters.
Mildred burning books
Montag returns home hoping to discuss ideas and books with Millie. Unfortunately, in Montag's case, a little learning is dangerous thing, because when he returns home, he finds company.
Playing Poker
Despite his attempts to converse with the woman, Montag is frustrated by their shallow musings about a recent election and the war to come. Mrs. Bowles scolds Montag when Montag reads "Dover Beach" from a book of poetry.
He hides them again after they leave, and then finds that Mildred has been burning his stash of books.
Montag returns to the fire station and is greeted by Beatty. He invites Montag to join them at the poker table where they're playing after he returns from being sick.