1984 by George OrwellHouse of Leaves by Mark Z. DanielewskiSlaughterhouse-Five by Kurt Vonnegut Jr.A Clockwork Orange by Anthony BurgessCatch-22 by Joseph Heller
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1,122 books — 1,821 voters
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King of Thorns by Mark  LawrenceCold Days by Jim  Butcher
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661 books — 1,431 voters
Harry Potter and the Chamber of Secrets by J.K. RowlingHarry Potter and the Deathly Hallows by J.K. RowlingThe Chronicles of Narnia by C.S. LewisHarry Potter and the Order of the Phoenix by J.K. RowlingHarry Potter and the Sorcerer's Stone by J.K. Rowling
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572 books — 663 voters

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17,422 books — 17,596 voters
The Lightning Thief by Rick RiordanThe Sea of Monsters by Rick RiordanThe Titan’s Curse by Rick RiordanThe Battle of the Labyrinth by Rick RiordanThe Last Olympian by Rick Riordan
Teen Books Based On Greek Mythology
51 books — 54 voters

Harry Potter and the Deathly Hallows by J.K. RowlingHarry Potter and the Sorcerer's Stone by J.K. RowlingHarry Potter and the Order of the Phoenix by J.K. RowlingHarry Potter and the Half-Blood Prince by J.K. RowlingHarry Potter and the Chamber of Secrets by J.K. Rowling
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8,474 books — 2,350 voters
The Innocent Mage by Karen   Miller
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2,188 books — 12,250 voters

Harry Potter and the Order of the Phoenix by J.K. Rowling
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78,082 books — 291,187 voters