The Friendship Onion

1.
The Fellowship of the Ring (The Lord of the Rings, #1)
The Fellowship of the Ring (The Lord of the Rings, #1) 4.40 avg rating — 3,051,443 ratings
2.
The Two Towers (The Lord of the Rings, #2)
The Two Towers (The Lord of the Rings, #2) 4.50 avg rating — 1,084,430 ratings
3.
The Return of the King (The Lord of the Rings, #3)
The Return of the King (The Lord of the Rings, #3) 4.58 avg rating — 1,004,673 ratings
4.
Rendezvous with Rama (Rama, #1)
Rendezvous with Rama (Rama, #1) 4.12 avg rating — 179,307 ratings
5.
The Hobbit, or There and Back Again
The Hobbit, or There and Back Again 4.29 avg rating — 4,346,445 ratings
6.
The Silmarillion
The Silmarillion 4.03 avg rating — 325,083 ratings
7.
The Children of Húrin
The Children of Húrin 4.05 avg rating — 90,936 ratings
8.
Unfinished Tales
Unfinished Tales 4.02 avg rating — 43,169 ratings
9.
The Fall of Gondolin
The Fall of Gondolin 4.09 avg rating — 16,859 ratings
10.
Beren and Lúthien
Beren and Lúthien 4.05 avg rating — 23,134 ratings
11.
Foundation (Foundation, #1)
Foundation (Foundation, #1) 4.17 avg rating — 580,969 ratings
12.
Foundation and Empire (Foundation, #2)
Foundation and Empire (Foundation, #2) 4.22 avg rating — 220,366 ratings
13.
Second Foundation (Foundation, #3)
Second Foundation (Foundation, #3) 4.27 avg rating — 197,725 ratings
14.
Foundation's Edge (Foundation, #4)
Foundation's Edge (Foundation, #4) 4.18 avg rating — 96,177 ratings
15.
Foundation and Earth (Foundation, #5)
Foundation and Earth (Foundation, #5) 4.07 avg rating — 78,205 ratings
16.
Prelude to Foundation
Prelude to Foundation 4.16 avg rating — 94,103 ratings
17.
Forward the Foundation (Foundation, #7)
Forward the Foundation (Foundation, #7) 4.16 avg rating — 60,169 ratings
18.
Jack of Shadows
Jack of Shadows 3.98 avg rating — 7,300 ratings
19.
Ringworld (Ringworld #1)
Ringworld (Ringworld #1) 3.94 avg rating — 127,137 ratings
20.
The Ringworld Engineers (Ringworld #2)
The Ringworld Engineers (Ringworld #2) 3.88 avg rating — 33,536 ratings
21.
The Ringworld Throne (Ringworld #3)
The Ringworld Throne (Ringworld #3) 3.55 avg rating — 11,596 ratings
22.
Ringworld's Children (Ringworld #4)
Ringworld's Children (Ringworld #4) 3.77 avg rating — 9,470 ratings
23.
Fleet of Worlds (Fleet of Worlds #1)
Fleet of Worlds (Fleet of Worlds #1) 3.85 avg rating — 3,981 ratings
24.
Juggler of Worlds (Fleet of Worlds #2)
Juggler of Worlds (Fleet of Worlds #2) 3.86 avg rating — 2,808 ratings
25.
Destroyer of Worlds (Fleet of Worlds #3)
Destroyer of Worlds (Fleet of Worlds #3) 4.01 avg rating — 2,520 ratings
26.
Betrayer of Worlds (Fleet of Worlds #4)
Betrayer of Worlds (Fleet of Worlds #4) 3.98 avg rating — 2,210 ratings
27.
Fate of Worlds (Fleet of Worlds #5; Ringworld #5)
Fate of Worlds (Fleet of Worlds #5; Ringworld #5) 3.96 avg rating — 2,550 ratings