Best finished series (by 2012)

1.
Harry Potter Collection (Harry Potter, #1-6)
Harry Potter Collection (Harry Potter, #1-6) 4.72 avg rating — 34,544 ratings
2.
The Inheritance Cycle (The Inheritance Cycle #1-4)
The Inheritance Cycle (The Inheritance Cycle #1-4) 4.54 avg rating — 13,849 ratings
3.
Percy Jackson and the Olympians (Percy Jackson and the Olympians, #1-3)
Percy Jackson and the Olympians (Percy Jackson and the Olympians, #1-3) 4.54 avg rating — 46,258 ratings
4.
The Twilight Saga Complete Collection
The Twilight Saga Complete Collection 4.34 avg rating — 75,471 ratings
5.
Vampire Academy Collection (Vampire Academy, #1-3)
Vampire Academy Collection (Vampire Academy, #1-3) 4.61 avg rating — 33,975 ratings
6.
His Dark Materials (His Dark Materials #1-3)
His Dark Materials (His Dark Materials #1-3) 4.29 avg rating — 166,684 ratings
7.
Darkest Powers Trilogy (Darkest Powers, #1-3)
Darkest Powers Trilogy (Darkest Powers, #1-3) 4.47 avg rating — 15,975 ratings
8.
The Fallen Series Trilogy (Fallen, #1-3)
The Fallen Series Trilogy (Fallen, #1-3) 4.36 avg rating — 2,291 ratings
9.
Furies of Calderon (Codex Alera, #1)
Furies of Calderon (Codex Alera, #1) 4.13 avg rating — 112,360 ratings
10.
Fateful (Fateful #1)
Fateful (Fateful #1) 3.61 avg rating — 2,402 ratings
11.
Graceling (Graceling Realm, #1)
Graceling (Graceling Realm, #1) 4.06 avg rating — 476,652 ratings
12.
Hush, Hush (Hush, Hush, #1)
Hush, Hush (Hush, Hush, #1) 3.92 avg rating — 735,723 ratings
13.
The Books of Bayern Box Set
The Books of Bayern Box Set 4.50 avg rating — 1,025 ratings
14.
The Naming (The Books of Pellinor, #1)
The Naming (The Books of Pellinor, #1) 4.03 avg rating — 27,473 ratings
15.
Paranormalcy (Paranormalcy, #1)
Paranormalcy (Paranormalcy, #1) 3.88 avg rating — 99,178 ratings
16.
Wings (Wings, #1)
Wings (Wings, #1) 3.76 avg rating — 82,961 ratings
17.
Warriors of the Cross (Warrior, #1)
Warriors of the Cross (Warrior, #1) 3.78 avg rating — 345 ratings
18.
Wondrous Strange (Wondrous Strange, #1)
Wondrous Strange (Wondrous Strange, #1) 3.69 avg rating — 21,125 ratings
19.
Need (Need, #1)
Need (Need, #1) 3.72 avg rating — 64,281 ratings
20.
The Iron King (The Iron Fey, #1)
The Iron King (The Iron Fey, #1) 3.87 avg rating — 217,476 ratings