the best, IMHO, and in no particular order

1.
The Corner: A Year in the Life of an Inner-City Neighborhood
The Corner: A Year in the Life of an Inner-City Neighborhood 4.45 avg rating — 6,779 ratings
2.
Welcome to Hard Times
Welcome to Hard Times 3.84 avg rating — 2,388 ratings
3.
Wizard and Glass (The Dark Tower, #4)
Wizard and Glass (The Dark Tower, #4) 4.27 avg rating — 214,822 ratings
4.
The Golden Ocean
The Golden Ocean 4.13 avg rating — 2,254 ratings
5.
Life and Fate
Life and Fate 4.45 avg rating — 14,756 ratings
6.
The Face of Battle: A Study of Agincourt, Waterloo and the Somme
The Face of Battle: A Study of Agincourt, Waterloo and the Somme 4.13 avg rating — 8,521 ratings
7.
Friday Night Lights
Friday Night Lights 4.14 avg rating — 65,037 ratings
8.
Moneyball
Moneyball 4.27 avg rating — 141,346 ratings
9.
Killing Mister Watson (Shadow Country Trilogy #1)
Killing Mister Watson (Shadow Country Trilogy #1) 3.83 avg rating — 1,947 ratings
10.
The Yiddish Policemen's Union
The Yiddish Policemen's Union 3.72 avg rating — 79,301 ratings
11.
Parable of the Sower (Earthseed, #1)
Parable of the Sower (Earthseed, #1) 4.20 avg rating — 238,888 ratings
12.
Beloved (Beloved Trilogy, #1)
Beloved (Beloved Trilogy, #1) 3.97 avg rating — 476,922 ratings
13.
The Road
The Road really liked it 4.00 avg rating — 1,001,641 ratings
14.
Ender’s Game (Ender's Saga, #1)
Ender’s Game (Ender's Saga, #1) 4.31 avg rating — 1,449,705 ratings
15.
The Brief Wondrous Life of Oscar Wao
The Brief Wondrous Life of Oscar Wao 3.89 avg rating — 274,950 ratings
16.
The Grapes of Wrath
The Grapes of Wrath 4.02 avg rating — 971,550 ratings
17.
Lord of the Flies
Lord of the Flies 3.70 avg rating — 3,117,317 ratings
18.
Libra
Libra 4.05 avg rating — 19,591 ratings
19.
The Plot Against America
The Plot Against America 3.81 avg rating — 67,295 ratings
20.
The Frigates: An Account of the Lesser Warships of the Wars from 1793 to 1815
The Frigates: An Account of the Lesser Warships of the Wars from 1793 to 1815 4.11 avg rating — 62 ratings