A collection of 1-star reviews from Amazon readers of great novels. Some examples:

Catch-22 (1961)
Author: Joseph Heller
“Obviously, a lot people were smoking a lot of weed in the ’60s to think this thing is worth reading.”
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The Catcher in the Rye (1951)
Author: J.D. Salinger
“So many other good books…don’t waste your time on this one. J.D. Salinger went into hiding because he was embarrassed.”
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A Clockwork Orange (1963)
Author: Anthony Burgess
“In the first 20 pages, Alex and his lackies beat a guy senseless and rob him; they steal a car and trash it, they get into a vicious gang fight; they attack a couple at their home, destroy the husband’s life work (his book, A Clockwork Orange), beat him and his wife senseless, and rape the wife. This really ticked me off.”
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The Grapes of Wrath (1939)
Author: John Steinbeck
“While the story did have a great moral to go along with it, it was about dirt! Dirt and migrating. Dirt and migrating and more dirt.”