These are the top 106 books most often marked as "unread" by LibraryThing's users (as of today). As usual, bold what you have read, italicize what you started but couldn't finish, and strike through what you couldn't stand.
Jonathan Strange & Mr Norrell
Anna Karenina
Crime and Punishment
Catch-22
One Hundred Years of Solitude
Wuthering Heights
The Silmarillion
Life of Pi.
The Name of the Rose
Don Quixote
Moby Dick
Ulysses
Madame Bovary
The Odyssey
Pride and Prejudice
Jane Eyreit.
A Tale of Two Cities
The Brothers Karamazov
Guns, Germs, and Steel
War and Peace
Vanity Fair
The Time Traveler's Wife
The Iliad
Emma
The Blind Assassin
The Kite Runner
Mrs. Dalloway
Great Expectation
American Gods
A Heartbreaking Work of Staggering Genius
Atlas Shrugged
Reading Lolita in Tehran
Memoirs of a Geisha
Middlesex
Quicksilver
Wicked
The Canterbury Tales
The Historian
A Portrait of the Artist as a Young Man
Love in the Time of Cholera
Brave New World
The Fountainhead
Foucault's Pendulum
Middlemarch
Frankenstein
The Count of Monte Cristo
Dracula - Excellent, I like the multiple narratives and document inserts
A Clockwork Orange
Anansi Boys
The Once and Future King
The Grapes of Wrath - gave it a go, almost stuck with it to California
The Poisonwood Bible
Nineteen Eighty-Four
Angels & Demons - Not bad. A lot like Dan Brown's other stuff though - read one and you've read them all, to a point.
The Inferno
The Satanic Verses
Sense and Sensibility
The Picture of Dorian Gray
Mansfield Park
One Flew Over the Cuckoo's Nest
To the Lighthouse
Tess of the D'Urbervilles
Oliver Twist
Gulliver's Travels
Les Misérables
The Corrections
The Amazing Adventures of Kavalier and Clay
The Curious Incident of the Dog in the Night-time - I thought this was a bit crap, frankly. Possibly well observed, but very dull.
Dune
The Prince
The Sound and the Fury
Angela's Ashes
The God of Small Things
A People's History of the United States : 1492-present
Cryptonomicon
Neverwhere
A Confederacy of Dunces
A Short History of Nearly Everything
Dubliners
The Unbearable Lightness of Being- dipped into it, never read it properly
Beloved
Slaughterhouse-five
The Scarlet Letter
Eats, Shoots & Leaves: The Zero Tolerance Approach to Punctuation - No, life's too short!
The Mists of Avalon
Oryx and Crake
Collapse : How Societies Choose to Fail or Succeed
Cloud Atlas
The Confusion
Lolita
Persuasion
Northanger Abbey
The Catcher in the Rye
On the Road
The Hunchback of Notre Dame
Freakonomics
Zen and the Art of Motorcycle Maintenance - a very good philosophical read (but not really about Zen or bikes).
The Aeneid - bits of it, at school (possibly an adaptation)
Watership Down
Gravity's Rainbow
The Hobbit -had to at school
In Cold Blood
White Teeth
Treasure Island -or at least had it read to me as a kid.
David Copperfield