Sufficiently Advanced Exchange

Name: The Eye of the Heron
Author: Ursula K. Le Guin
Length (pages or words, whichever is more relevant): ~140 pages
Sub-genre: Science fiction, utopian/dystopian

Why it's awesome: It tells the story of an anarchist society put in conflict with a much larger industrial colonialist power. One of the central characters is Luz, whose tyrannical capitalist father pressures her into conforming to what a woman in their society should be: docile, submissive brood mare. She's too clever for that, however, and chooses to aid the anarchist Shantih Town against him and his associates. It's heavy on philosophical discussions concerning violence, power and the state, thought in terms of plot development I found it pretty fast-paced.