Snagged from the Snark: 

To Kill a Mockingbird by Harper Lee-x
The Bible (by God!)-x
The Lord of the Rings Trilogy by JRR Tolkien-x
1984 by George Orwell-need a copy of that
A Christmas Carol by Charles Dickens-x
Jane Eyre by Charlotte Bronte-On List
Pride and Prejudice by Jane Austen-On List
All Quiet on the Western Front by E M Remarque-x..damn yellow boots
His Dark Materials Trilogy by Phillip Pullman-Need copy
Birdsong by Sebastian Faulks-Need Copy
The Grapes of Wrath by John Steinbeck-x
The Lord of the Flies by William Golding-x
The Curious Incident of the Dog in the Night-Time by Mark Haddon-Need Copy
Tess of the d’Urbervilles by Thomas Hardy-x
Winnie the Pooh by AA Milne-x
Wuthering Heights by Emily Bronte-x
The Wind in the Willows by Kenneth Graham-x
Gone With the Wind by Margaret Mitchell-x
Great Expectations by Charles Dickens-x
The Time Traveller’s Wife by Audrey Niffenegger-need Copy
The Lovely Bones by Alice Sebold-kind of…should get a new copy and read it for real
The Prophet by Khalil Gibran-x I have two copies of this wandering around my house…mine and my great grandmothers
David Copperfield by Charles Dickens-x
The Alchemist by Paulo Coelho – Need Copy
The Master and Margarita by Mikhail Bulgakov-need copy
Life of Pi by Yann Martel-need copy
Middlemarch by George Eliot-x
The Poisonwood Bible by Barbara Kingsolver-x…yes I did…kind of…see lovely bones
A Clockwork Orange by Anthony Burgess-x
A Day in the Life of Ivan Denisovich by Alexander Solzenhitsyn-need copy

 There are other books a person should ready but this is a pretty good list.