All genresAmazon Top 100 / Week of October 19, 2026

Sci-Fi

Weekly snapshotOctober 19, 2026Rankings are collected every Monday.Latest Ranking

Publishing Mix89 genre-approved covers · Current publisher tags

Major Publishers: 24
Indie Authors: 21
Indie Publishers: 44

Chart TurnoverGenre-approved covers · Compared with Oct 12, 2026

New this week: 26
From previous week: 63

Snapshot Overview

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01

The Eye of the Bedlam Bride: Dungeon Crawler Carl Book 6

02

He Who Fights with Monsters 13: A LitRPG Adventure

03

A Parade of Horribles: Dungeon Crawler Carl, Book 8

04

Red Rising (Red Rising Series Book 1)

05

House of Sky and Breath (Crescent City)

06

House of Earth and Blood (Crescent City Book 1)

07

The Left Hand of Darkness: 50th Anniversary Edition (Ace Science Fiction)

08

Daggermouth (The Heart Duology Book 1)

09

Removed during review

10

The Eye of the Heron

11

Removed during review

12

He Who Fights with Monsters: A LitRPG Adventure

13

Golden Son (Red Rising Book 2)

14

Pivotal Proof: (Monster Girls in Space Book 9)

15

The Wildborn: A Sci-Fi Alien Romance (The Starborn Series Book 1)

16

Project Hail Mary

17

Morning Star (Red Rising Series Book 3)

18

Because I Killed Him (The Nine Gentlemen Book 1)

19

I Married A Syllen (Prime Mating Agency)

20

The One (Expanded Edition): The Million-Copy International Bestseller – Now with Five Chapters of Exclusive Bonus Content (Dark Future Book 1)

21

Shift: The Basis for The Apple TV Streaming Series (Silo Book 2)

22

The Twelfth Artifact (The Artifact Book 12)

23

Starship Troopers

24

Removed during review

25

Accidental Astronaut

26

Engineer of the Exotic (The Saucer Series Book 1)

27

He Who Fights with Monsters 2: A LitRPG Adventure

28

EMP No Grid No Warning: An EMP Post Apocalypse Prepper Survival Thriller

29

He Who Fights with Monsters 3: A LitRPG Adventure

30

Heretics of Dune

31

Magus Wing (Navy Mage Book 3)

32

Reverence (The Reverence Trilogy Book 1)

33

Iron Gold (Red Rising Series Book 4)

34

He Who Fights with Monsters 4: A LitRPG Adventure

35

Starship Express

36

He Who Fights with Monsters 5: A LitRPG Adventure

37

He Who Fights with Monsters 6: A LitRPG Adventure

38

Removed during review

39

Qualia Nous: Vol. 2

40

We Are Legion (We Are Bob) (Bobiverse Book 1)

41

Dark Age (Red Rising Series Book 5)

42

Ice Planet Barbarians

43

I’m a Destroyer: A Sentient AI Warship Military Sci-Fi Adventure (I, Warship Book 1)

44

CALICO one of the most gripping and twistiest thrillers you'll read this year

45

He Who Fights with Monsters 9: A LitRPG Adventure

46

He Who Fights with Monsters 7: A LitRPG Adventure

47

The Primal Hunter 16: A LitRPG Adventure

48

Starship Freedom - Super Box Set (Book 1-4): A Military Science Fiction Adventure

49

Light Bringer (Red Rising Series Book 6)

50

He Who Fights with Monsters 8: A LitRPG Adventure

51

52

53

He Who Fights with Monsters 12: A LitRPG Adventure

54

Fowarding Address (Starship Express Book 2)

55

He Who Fights with Monsters 10: A LitRPG Adventure

56

Removed during review

57

58

Starship Ranger

59

The Handmaid's Tale

60

He Who Fights with Monsters 11: A LitRPG Adventure

61

Defiance of the Fall 17: A LitRPG Adventure

62

The Primal Hunter

63

64

Brave New World

65

The Day After Never - Blood Honor (Post-Apocalyptic Dystopian Thriller - Book 1)

66

Removed during review

67

Removed during review

68

Klara and the Sun

69

Children of Time

70

Before the Coffee Gets Cold: A Heartfelt Novel Exploring Regret, Redemption and Closure From a Magical Café

71

Removed during review

72

Flying Saucers and Chrome Plate (Spaceship Mechanic Book 4)

73

As You Wake, Break the Shell

74

Ensign Year 1 (An Officer of the Union Space Fleet)

75

Shattered Starship

76

All Systems Red: The Murderbot Diaries

77

78

79

Preemptive Action (The Last Hunter Book 17)

80

Path of Steel: A LitRPG Apocalypse

81

Removed during review

82

The Great Zoo of China

83

Loop Bound: The Mirror

84

His Stolen Omega: A Dark MM Captive Omegaverse Romance (Beguiled Omegas)

85

The City Built by the Dead (The Saucer Series Book 2)

86

There Is No Antimemetics Division

87

Removed during review

88

Detachment (New Earth Book 4)

89

90

River Dragon's Song (Dragons on Mars Book 3)

91

Removed during review

92

Time Risk 5: The Dallas Mission: A Time Travel Mystery and Historical Adventure (Book 5 of the Time Risk Series)

93

94

Void Sovereign: A LitRPG Apocalypse

95

The Bride Contract: An Alien Romance (Princes of Xaavia Book 1)

96

The Long Ride Home: After The World Went Dark

97

98

Next: A Devilishly Clever and Breathless Thriller of Genetic Ownership and Uncontrolled Scientific Leaps

99

Variant Lost: A Paranormal Romance (The Evelyn Maynard Trilogy Book 1)

100

Barbarian Alien: A SciFi Alien Romance (Ice Planet Barbarians Book 2)

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