The Great Gatsby (11)
Crash (11)
Border Districts (10)
The First Bad Man (9) 
Handmaids Tale (9)
Blindness (9)
The Crying of Lot 49 (10)
Austerlitz (9.5)
The Sun Also Rises (10)
Lord of the Flies (10)
The Old Man and the Sea (9)
Junky (6)
The Plague (7)
White Noise (5)
The Third Hotel (6)
Manhattan Beach (6)
Slaughterhouse-Five (6)
The Baron in the Trees (5.5)
Speedboat (5.5)
The Sellout (5.5)
Ice (5.5)
On Tangled Paths (4.5)
Lake Success (5.5)
Under The Volcano (5)
The Appointment (3)
On The Road (3)
Montpellier Parade (3)
Spaceman of Bohemia (3)
Roundhouse (3)
Lightning on the Sun (2.5)
Shadowbahn (put it down) (3.5)
The Piano Teacher (2)
Across (2)
Inappropriation (1)
Manhattan Transfer (0)

11 = flawless, among the best of the century
10 = exceptional, among best of the decade
9 = excellent, among the best of the year
8 = very good
7 = very good, with minor defects
6 = good, but flawed
5 = good, but with considerable flaws, finishable; maybe worth reading
4 = Sporadically great but not could not finish due to boredom
3 = OK; got through the book but not much in terms of razzle-dazzle, not worth reading
2 = Subpar; a couple of interesting elements, serious problems, could not get through the book
1 = Egregiously bad
0 = Complete garbage, devoid of merit