I'm sure this list is on this site somewhere but I wasn't able to find it, so I'll make a new list
I think the following are the ten best American novels or novellas:
1. Moby Dick
2. The Adventures of Huckleberry Finn
3. The Scarlet Letter
4. Sancutary
5. The Old Man and the Sea
6. Look Homeward Angel
7. The Great Gatsby
8. The Turn of the Screw
9. Gravity's Rainbow
10. The Grapes of Wrath