Science-fiction with Christian themes

1.
Perelandra (The Space Trilogy, #2)
Perelandra (The Space Trilogy, #2) 4.01 avg rating — 58,447 ratings
2.
That Hideous Strength (The Space Trilogy, #3)
That Hideous Strength (The Space Trilogy, #3) 3.93 avg rating — 44,550 ratings
3.
Out of the Silent Planet (The Space Trilogy, #1)
Out of the Silent Planet (The Space Trilogy, #1) 3.93 avg rating — 103,674 ratings
4.
Doomsday Book (Oxford Time Travel, #1)
Doomsday Book (Oxford Time Travel, #1) 4.03 avg rating — 63,449 ratings
5.
The Class of 86
The Class of 86 4.14 avg rating — 138 ratings
6.
Exhalation
Exhalation 4.27 avg rating — 106,339 ratings
7.
Stories of Your Life and Others
Stories of Your Life and Others 4.25 avg rating — 120,139 ratings
8.
Eifelheim
Eifelheim 3.78 avg rating — 4,500 ratings
9.
A Canticle for Leibowitz (St. Leibowitz, #1)
A Canticle for Leibowitz (St. Leibowitz, #1) 3.99 avg rating — 116,718 ratings
10.
Children of God (The Sparrow, #2)
Children of God (The Sparrow, #2) 4.09 avg rating — 22,638 ratings
11.
The Sparrow (The Sparrow, #1)
The Sparrow (The Sparrow, #1) 4.14 avg rating — 80,288 ratings
12.
Calculating God
Calculating God 3.87 avg rating — 10,177 ratings
13.
Anathem
Anathem 4.17 avg rating — 74,562 ratings
14.
A Case of Conscience (After Such Knowledge, #4)
A Case of Conscience (After Such Knowledge, #4) 3.61 avg rating — 7,135 ratings
15.
Hyperion (Hyperion Cantos, #1)
Hyperion (Hyperion Cantos, #1) 4.27 avg rating — 285,990 ratings
16.
Endymion (Hyperion Cantos, #3)
Endymion (Hyperion Cantos, #3) 4.19 avg rating — 67,987 ratings
17.
The Fall of Hyperion (Hyperion Cantos, #2)
The Fall of Hyperion (Hyperion Cantos, #2) 4.24 avg rating — 141,881 ratings
18.
The Rise of Endymion (Hyperion Cantos, #4)
The Rise of Endymion (Hyperion Cantos, #4) 4.17 avg rating — 62,719 ratings
19.
Sisters of the Vast Black (Our Lady of Endless Worlds, #1)
Sisters of the Vast Black (Our Lady of Endless Worlds, #1) really liked it 4.00 avg rating — 4,792 ratings
20.
FUTU.RE
FUTU.RE 3.98 avg rating — 6,602 ratings
21.
Ad Limina: A Novella of Catholics in Space
Ad Limina: A Novella of Catholics in Space 4.26 avg rating — 93 ratings
22.
Discovery: A Rescue Sisters Novel
Discovery: A Rescue Sisters Novel 4.36 avg rating — 47 ratings
23.
The Chaplain's War (1)
The Chaplain's War (1) 3.85 avg rating — 489 ratings