You'd be surprised that I haven't read...

1.
1984
1984 4.20 avg rating — 5,227,657 ratings
2.
Pride and Prejudice
Pride and Prejudice 4.29 avg rating — 4,634,321 ratings
3.
Vanity Fair
Vanity Fair 3.81 avg rating — 131,967 ratings
4.
Mythology
Mythology 4.03 avg rating — 58,941 ratings
5.
A Confederacy of Dunces
A Confederacy of Dunces 3.89 avg rating — 291,818 ratings
6.
Inferno
Inferno 4.03 avg rating — 200,546 ratings
7.
The Pilgrim's Progress
The Pilgrim's Progress 4.07 avg rating — 154,167 ratings
8.
Mansfield Park
Mansfield Park 3.86 avg rating — 371,729 ratings
9.
The Sound and the Fury
The Sound and the Fury 3.86 avg rating — 192,294 ratings
9.
Heart of Darkness
Heart of Darkness 3.43 avg rating — 545,814 ratings
11.
The Love of the Last Tycoon
The Love of the Last Tycoon 3.63 avg rating — 13,605 ratings
12.
Lord of the Flies
Lord of the Flies 3.70 avg rating — 3,117,991 ratings
13.
As I Lay Dying
As I Lay Dying 3.72 avg rating — 182,502 ratings
14.
The Giving Tree
The Giving Tree 4.38 avg rating — 1,209,891 ratings
15.
Sense and Sensibility
Sense and Sensibility 4.09 avg rating — 1,266,341 ratings
16.
The Kite Runner
The Kite Runner 4.35 avg rating — 3,402,652 ratings
17.
La colmena
La colmena 3.74 avg rating — 10,739 ratings
18.
The Little Prince
The Little Prince 4.33 avg rating — 2,376,013 ratings
19.
Little Women (Little Women, #1)
Little Women (Little Women, #1) 4.17 avg rating — 2,393,461 ratings
20.
Middlesex
Middlesex 4.04 avg rating — 657,142 ratings
21.
Gone with the Wind
Gone with the Wind 4.31 avg rating — 1,258,108 ratings
22.
The Help
The Help 4.47 avg rating — 2,962,468 ratings
23.
A Tree Grows in Brooklyn
A Tree Grows in Brooklyn 4.30 avg rating — 499,299 ratings
24.
To Kill a Mockingbird
To Kill a Mockingbird 4.26 avg rating — 6,690,096 ratings
25.
Anna Karenina
Anna Karenina 4.10 avg rating — 906,437 ratings
26.
The Satanic Verses
The Satanic Verses 3.71 avg rating — 70,311 ratings
27.
The Five People You Meet in Heaven
The Five People You Meet in Heaven 4.01 avg rating — 781,756 ratings
28.
The Grapes of Wrath
The Grapes of Wrath 4.02 avg rating — 971,717 ratings
29.
The Thorn Birds
The Thorn Birds 4.25 avg rating — 361,093 ratings
30.
Tess of the D'Urbervilles
Tess of the D'Urbervilles 3.84 avg rating — 297,835 ratings
31.
The Age of Innocence
The Age of Innocence 3.97 avg rating — 189,958 ratings
32.
The Diary of Anaïs Nin, Vol. 1: 1931-1934
The Diary of Anaïs Nin, Vol. 1: 1931-1934 4.17 avg rating — 8,068 ratings
33.
Hopscotch
Hopscotch 4.20 avg rating — 47,327 ratings
34.
The Poisonwood Bible
The Poisonwood Bible 4.11 avg rating — 779,875 ratings
35.
The Bell Jar
The Bell Jar 4.05 avg rating — 1,154,255 ratings
36.
Ragtime
Ragtime 3.89 avg rating — 45,701 ratings
37.
Native Son
Native Son 4.04 avg rating — 103,289 ratings
38.
The Red Tent
The Red Tent 4.20 avg rating — 624,048 ratings
39.
Heart of Darkness
Heart of Darkness 3.43 avg rating — 545,814 ratings
40.
On the Road
On the Road 3.61 avg rating — 438,566 ratings
41.
Fifty Shades of Grey (Fifty Shades, #1)
Fifty Shades of Grey (Fifty Shades, #1) 3.67 avg rating — 2,809,163 ratings
42.
Wicked: The Life and Times of the Wicked Witch of the West (The Wicked Years, #1)
Wicked: The Life and Times of the Wicked Witch of the West (The Wicked Years, #1) 3.51 avg rating — 669,547 ratings
42.
Animal Farm
Animal Farm 4.01 avg rating — 4,357,451 ratings
44.
The Luminaries
The Luminaries 3.75 avg rating — 84,470 ratings
44.
Gödel, Escher, Bach: An Eternal Golden Braid
Gödel, Escher, Bach: An Eternal Golden Braid 4.29 avg rating — 51,685 ratings
46.
Basic Economics: A Citizen's Guide to the Economy
Basic Economics: A Citizen's Guide to the Economy 4.37 avg rating — 13,815 ratings
47.
The Stand
The Stand 4.35 avg rating — 814,432 ratings
47.
Atlas Shrugged
Atlas Shrugged
by: Ayn Rand
3.69 avg rating — 402,819 ratings
49.
In Cold Blood
In Cold Blood 4.09 avg rating — 710,462 ratings
49.
Eat, Pray, Love
Eat, Pray, Love 3.64 avg rating — 1,819,936 ratings
51.
Watership Down (Watership Down, #1)
Watership Down (Watership Down, #1) 4.09 avg rating — 499,221 ratings
52.
Walden or, Life in the Woods
Walden or, Life in the Woods 3.78 avg rating — 200,864 ratings
53.
The God of Small Things
The God of Small Things 3.96 avg rating — 317,190 ratings
53.
The Gulag Archipelago 1918–1956
The Gulag Archipelago 1918–1956 4.33 avg rating — 33,413 ratings
55.
A Fine Balance
A Fine Balance 4.38 avg rating — 156,867 ratings
56.
The Devil in the White City: Murder, Magic, and Madness at the Fair That Changed America
The Devil in the White City: Murder, Magic, and Madness at the Fair That Changed America really liked it 4.00 avg rating — 739,924 ratings
57.
Cutting for Stone
Cutting for Stone 4.33 avg rating — 417,444 ratings
58.
A People’s History of the United States: 1492 - Present
A People’s History of the United States: 1492 - Present 4.08 avg rating — 259,726 ratings
59.
The Namesake
The Namesake 4.02 avg rating — 280,168 ratings
60.
The Story of Edgar Sawtelle
The Story of Edgar Sawtelle 3.66 avg rating — 104,111 ratings
61.
The House of Mirth
The House of Mirth 3.97 avg rating — 103,549 ratings
62.
Unbroken: A World War II Story of Survival, Resilience and Redemption
Unbroken: A World War II Story of Survival, Resilience and Redemption 4.39 avg rating — 989,290 ratings
63.
Wonder (Wonder, #1)
Wonder (Wonder, #1) 4.36 avg rating — 1,170,065 ratings
64.
The Spirit Catches You and You Fall Down: A Hmong Child, Her American Doctors, and the Collision of Two Cultures
The Spirit Catches You and You Fall Down: A Hmong Child, Her American Doctors, and the Collision of Two Cultures 4.20 avg rating — 87,607 ratings
65.
The Rosie Project (Don Tillman, #1)
The Rosie Project (Don Tillman, #1) 4.01 avg rating — 584,729 ratings
66.
The Invention of Wings
The Invention of Wings 4.26 avg rating — 328,104 ratings
67.
The Light Between Oceans
The Light Between Oceans 4.04 avg rating — 473,502 ratings
68.
Wild: From Lost to Found on the Pacific Crest Trail
Wild: From Lost to Found on the Pacific Crest Trail 4.07 avg rating — 850,585 ratings
69.
The Lowland
The Lowland 3.88 avg rating — 95,705 ratings
70.
The Interestings
The Interestings 3.60 avg rating — 122,194 ratings
71.
A Constellation of Vital Phenomena
A Constellation of Vital Phenomena 4.12 avg rating — 55,468 ratings