In the excerpt, thoreau mostly uses imagery to illustrate

Even the insistent cough of the woman next to him wasn't enough to draw his eyes away from the tiny type of the ancient book its pages were brittle and felt like they could crumble at the slightest disturbance he noticed the musty odor if each page as he carefully it over.

Which work would represent a change to the artistic medium of this original work?

Which of the following is an example of a periodical?