2018 YA... in SPACE!

1.
Obsidio (The Illuminae Files, #3)
Obsidio (The Illuminae Files, #3) 4.45 avg rating — 56,807 ratings
2.
The Disasters
The Disasters 3.69 avg rating — 6,916 ratings
3.
Defy the Worlds (Constellation, #2)
Defy the Worlds (Constellation, #2) 4.06 avg rating — 4,896 ratings
4.
Brightly Burning
Brightly Burning 3.70 avg rating — 4,779 ratings
5.
Sanctuary (Sanctuary, #1)
Sanctuary (Sanctuary, #1)
by: Caryn Lix
3.89 avg rating — 2,204 ratings
6.
Heart of Iron (Heart of Iron, #1)
Heart of Iron (Heart of Iron, #1) 3.75 avg rating — 7,261 ratings
7.
The Loneliest Girl in the Universe
The Loneliest Girl in the Universe 3.74 avg rating — 24,115 ratings
8.
Sound of Silence (In The End duology, #1)
Sound of Silence (In The End duology, #1) 4.14 avg rating — 44 ratings
9.
Zenith (The Androma Saga, #1)
Zenith (The Androma Saga, #1) 3.10 avg rating — 5,181 ratings
10.
Ignite the Stars (Ignite the Stars, #1)
Ignite the Stars (Ignite the Stars, #1) 3.90 avg rating — 1,944 ratings
11.
Contagion (Contagion, #1)
Contagion (Contagion, #1) 3.87 avg rating — 7,245 ratings
12.
Honor Among Thieves (The Honors, #1)
Honor Among Thieves (The Honors, #1) 3.89 avg rating — 5,879 ratings
13.
Noblesse Oblige
Noblesse Oblige 3.24 avg rating — 38 ratings
14.
Blood of a Thousand Stars (Empress of a Thousand Skies, #2)
Blood of a Thousand Stars (Empress of a Thousand Skies, #2) 3.50 avg rating — 1,248 ratings
15.
One Giant Leap (Dare Mighty Things, #2)
One Giant Leap (Dare Mighty Things, #2) 3.57 avg rating — 506 ratings
16.
The Hive Engineers (STAR Academy, #3)
The Hive Engineers (STAR Academy, #3) 4.50 avg rating — 48 ratings
17.
Hullmetal Girls
Hullmetal Girls 3.58 avg rating — 1,060 ratings
17.
The Truth Hunters (STAR Academy, #2)
The Truth Hunters (STAR Academy, #2) 4.57 avg rating — 72 ratings
19.
The Unsound Theory (STAR Academy, #1)
The Unsound Theory (STAR Academy, #1) 4.23 avg rating — 159 ratings
20.
Light Years (Light Years, #1)
Light Years (Light Years, #1) 3.93 avg rating — 2,979 ratings
21.
The Alliance in Peril (The Chronicles of Jake, #3)
The Alliance in Peril (The Chronicles of Jake, #3) 4.13 avg rating — 15 ratings
22.
Mutineers' Moon (Dahak, #1)
Mutineers' Moon (Dahak, #1) 4.20 avg rating — 7,047 ratings
23.
Toxic
Toxic 3.73 avg rating — 792 ratings
24.
Somebody's Monster (Stardust, #1)
Somebody's Monster (Stardust, #1) 3.69 avg rating — 36 ratings
24.
Eradication and Resistance (Wolf Pack #2)
Eradication and Resistance (Wolf Pack #2) 4.60 avg rating — 65 ratings
24.
Gestation (Project Chrysalis, #1)
Gestation (Project Chrysalis, #1)
by: John Gold
4.14 avg rating — 708 ratings
24.
Her Revolution (Her Golden City Book I)
Her Revolution (Her Golden City Book I) 2.62 avg rating — 8 ratings
24.
Renegades (Renegades, #1)
Renegades (Renegades, #1) 4.12 avg rating — 160,475 ratings
24.
Colliding Skies
Colliding Skies 4.18 avg rating — 89 ratings
24.
Chasing the Shadows (Sentinels of the Galaxy, #2)
Chasing the Shadows (Sentinels of the Galaxy, #2) 4.29 avg rating — 2,435 ratings
24.
These Broken Stars (Starbound, #1)
These Broken Stars (Starbound, #1) 3.89 avg rating — 71,248 ratings
32.
Heart of Vengeance (Vigilante, #1)
Heart of Vengeance (Vigilante, #1) 4.23 avg rating — 2,024 ratings
32.
End of an Era (Project Chrysalis, #2)
End of an Era (Project Chrysalis, #2)
by: John Gold
4.34 avg rating — 457 ratings
34.
A Princess and an Ooze (Chronicles of a Royal Pet, #1)
A Princess and an Ooze (Chronicles of a Royal Pet, #1) 4.16 avg rating — 1,213 ratings
34.
Sleeping Player (Project Chrysalis, #3)
Sleeping Player (Project Chrysalis, #3)
by: John Gold
4.41 avg rating — 384 ratings
36.
Brothers in Valor (Man of War, #3)
Brothers in Valor (Man of War, #3) 4.22 avg rating — 3,117 ratings
37.
Rage of Angels
Rage of Angels 4.19 avg rating — 220 ratings