Decaying Galactic empires

1.
Foundation (Foundation, #1)
Foundation (Foundation, #1) 4.17 avg rating — 580,971 ratings
1.
The Long Night
The Long Night 3.74 avg rating — 220 ratings
3.
Imperial Sunset
Imperial Sunset 4.18 avg rating — 689 ratings
3.
Dawn (Legend of the Galactic Heroes, #1)
Dawn (Legend of the Galactic Heroes, #1) 4.06 avg rating — 1,951 ratings
5.
Imperial Twilight (Ashes of Empire Book 2)
Imperial Twilight (Ashes of Empire Book 2) 4.33 avg rating — 383 ratings
5.
Hyperion (Hyperion, #1)
Hyperion (Hyperion, #1) 4.27 avg rating — 285,980 ratings
7.
The Collapsing Empire (The Interdependency, #1)
The Collapsing Empire (The Interdependency, #1) 4.13 avg rating — 58,274 ratings
7.
The Master of Mankind (The Horus Heresy, #41)
The Master of Mankind (The Horus Heresy, #41) 4.22 avg rating — 3,360 ratings
9.
Edges (Inverted Frontier, #1)
Edges (Inverted Frontier, #1) 4.01 avg rating — 1,570 ratings
10.
Silver (Inverted Frontier, #2)
Silver (Inverted Frontier, #2) 4.18 avg rating — 975 ratings
11.
The Praxis (Dread Empire's Fall, #1)
The Praxis (Dread Empire's Fall, #1) 3.83 avg rating — 4,175 ratings
12.
A Canticle for Leibowitz (St. Leibowitz, #1)
A Canticle for Leibowitz (St. Leibowitz, #1) 3.99 avg rating — 116,717 ratings
13.
The Empire's Corps (The Empire's Corps, #1)
The Empire's Corps (The Empire's Corps, #1) 4.11 avg rating — 3,775 ratings
14.
Welcome to the Stacks (El Finito #1)
Welcome to the Stacks (El Finito #1) 4.06 avg rating — 138 ratings
15.
Empire of Bones (Empire of Bones Saga, #1)
Empire of Bones (Empire of Bones Saga, #1) 4.16 avg rating — 1,776 ratings