I am about finished with "Roots" by Alex Haley...?

Question:

I am about finished with "Roots" by Alex Haley...?

and I am looking for my next book to read. So far the following titles are lined up, and I'd like to know which one, in your opinion, should I read next?

Atlas Shrugged -- Ayn Rand
Fountainhead --Ayn Rand
Slughterhouse-Five -- Kurt Vonnegut
Animal Farm -- George Orwell
Annie on My Mind -- Nancy Garden
We the Living -- Ayn Rand

Additional Details

6 days ago
One Flew Over the Cuckoo's Nest -- (Forgot Author)

Best Answer - Chosen by Asker: 6 days ago
One Flew Over the Cuckoo's Nest -- (Forgot Author)