10 Books often started and not finished, Goodreads poll

Catch-22, Joseph Heller

The Lord of the Rings, J.R.R. Tolkien

Ulysses, James Joyce

Moby-Dick, or, the Whale, Herman Melville

Holy Bible: King James Version, Anonymous

War and Peace, Leo Tolstoy

Atlas Shrugged, Ayn Rand

One Hundred Years of Solitude, Gabriel García Márquez

Anna Karenina, Leo Tolstoy

Don Quixote, Miguel de Cervantes Saavedra

via Good Reads