•Why it earns a slot
Why it earns a slot: it is the book that replaced Frost's own lyric voice with other people's, dialogue and dramatic monologue carrying the weight, so the reader has to work out the grief and the stubbornness for themselves.
A collection of New England narrative poems where neighbors, spouses, and hired hands keep talking around the one thing they actually mean.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.