The Wave is a 1981 novel based on the "Third Wave" experiment in which school students willingly partook in a simulated fascist regime. After failing to explain how Germans could have allowed the Nazi Party to rise to power, Mr. Ross organizes his classroom around slogans extolling discipline, strength and power. Although David and Laurie question the movement and the animosity it causes, most students accept it blindly until Mr. Ross finally exposes the experiment, claiming that their leader could just as well have been Hitler.
Their book summaries aren't as good as other providers, but PinkMonkey often has interesting insights that aren't mentioned elsewhere on the Internet. For example, they go over literary elements (like setting, conflict, and mood), compare and contrast, and symbolism/motifs. It's a good site if you want to find a unique fact or angle that other students don't know about.
You won't get any frills with GradeSaver -- just the content you expect. Their study guides include a full plot summary, themes and character analysis, study questions, and the e-text of the book. One hidden gem is their collection of literature essays, but you'll have to pay for it.
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Includes the standard sections found in most book notes, including a book synopsis, chapter by chapter analysis, author biography, character list, essay topics, book report ideas, and study questions. This website is less comprehensive than other book notes sites, but could be useful if you're looking for a quick review.