It is a poem about life and human nature.
His fingers poised over the keys several times as if he was going to type more.
Books that are surrounded by oxygen will turn yellow, so basically, all books since oxygen is constantly surrounding us. Oxygen-rich conditions are very bad for paper, which gives them the yellow tiny. This is actually called lignin oxidation! Lignin oxidation gives it a yellow or brown colour as you said. Yellow comes first, then brown after.
I hope this helped a bit! :)
The Odyssey - Elpenor is an epic poem because it features a(n)
invocation to an ancient Greek goddess.
Through out the story, Odysseus tries to win the favor of the gods and goddess to allow himself to return home, however, he meets resistance and problems, such as his crew killing the sun god's cattle, which incurs the opposite of what they wished from the gods, leading to the destruction of Odysseus's crews and ships
hope this helps