These are the top 106 books most often marked as "unread" by LibraryThing's users as of 9/30/07. As usual, bold what you have read and (i'm changing what was here before) italicize what you want to read. and * those you've never heard of:)
*Jonathan Strange & Mr Norrell
Anna Karenina
Crime and punishment (own it)
Catch-22 (own it)
One hundred years of solitude (own it)
Wuthering Heights (own it)
The Silmarillion
Life of Pi : a novel
The name of the rose
Don Quixote
Moby Dick (own it)
Ulysses
Madame Bovary (own it)
The Odyssey
Pride and prejudice (own it)
Jane Eyre (own it)
A tale of two cities (own it)
The brothers Karamazov
Guns, Germs, and Steel: the fates of human societies
War and peace (own it)
Vanity fair (own it)
The time traveler's wife (own it)
The Iliad
Emma (own it)
*The Blind Assassin
The kite runner
Mrs. Dalloway (own it)
Great expectations (own it)
American Gods
A heartbreaking work of staggering genius
Atlas Shrugged (own it)
Reading Lolita in Tehran : a memoir in books
Memoirs of a Geisha
Middlesex
*Quicksilver
Wicked : the life and times of the wicked witch of the West
The Canterbury tales (do parts of it count?)
*The historian : a novel
A portrait of the artist as a young man (own it)
Love in the time of cholera
Brave New World
The Fountainhead
*Foucault's pendulum
Middlemarch (own it)
Frankenstein (own it)
The Count of Monte Cristo
Dracula (own it)
A clockwork orange
*Anansi Boys
The once and future king
The grapes of wrath (own it)
The poisonwood Bible : a novel
1984 (own it)
Angels and demons
The Inferno (own it)
The Satanic Verses
Sense and sensibility
The Portrait of Dorian Gray (own it)
Mansfield Park
One Flew Over the Cuckoo's Nest (own it)
To the lighthouse (own it)
Tess of the D'Urbervilles (own it)
Oliver Twist
Gulliver's travels (own it)
Les Misérables
*The Corrections
*The amazing adventures of Kavalier and Clay
The curious incident of the dog in the night-time (own it)
Dune
*The Prince
The sound and the fury (own it)
Angela's ashes : a memoir
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 (i've only read just the one story in the collection)
The unbearable lightness of being
Beloved
Slaughterhouse-five (own it)
The Scarlet Letter (own it)
Eats, Shoots & Leaves: The Zero Tolerance Approach to Punctuation
*The Mists of Avalon
*Oryx and Crake : a novel
*Collapse : how societies choose to fail or succeed
*Cloud atlas
*The Confusion
Lolita
Persuasion
Northanger abbey
The catcher in the rye (own it)
On the road (own it)
The hunchback of Notre Dame (own it)
Freakonomics : a rogue economist explores the hidden side of everything
Zen and the art of motorcycle maintenance : an inquiry into values
The Aeneid
Watership Down (own it)
*Gravity's rainbow
The Hobbit (own it)
In Cold Blood : a true account of a multiple murder and its consequences
White teeth
Treasure Island
David Copperfield
The three musketeers