Montag, a fireman, has pilfered books when he is sent to burn them, and he has hidden them "behind the grill" of the ventilator. He has also talked with a man named Faber, a college professor whom he has met in a park.Later, Montag takes more books and reads aloud in front of his wife Mildred and her friend, but a frightened Mildred turns him in to the authorities. When Montag realizes that Beatty has found him out, he sets Beatty on fire.