1 Watchers Watchers
Dean Koontz
2 The Tomorrow Gene The Tomorrow Gene
Sean Platt & Johnny B. Truant
3 The Artifact Hunters Bundle The Artifact Hunters Bundle
A. W. Exley
4 Provenance Provenance
Ann Leckie
5 A Game of Thrones A Game of Thrones
George R.R. Martin
6 The Hunt The Hunt
Chloe Neill
7 A Time Traveller's Best Friend A Time Traveller's Best Friend
W.R. Gingell
8 Ready Player One Ready Player One
Ernest Cline
9 Star Trek: Discovery: Desperate Hours Star Trek: Discovery: Desperate Hours
David Mack
10 A Game of Thrones A Game of Thrones
George R.R. Martin
11 The Crush Saga Box Set: Books 1 - 4 The Crush Saga Box Set: Books 1 - 4
Chrissy Peebles
12 Wolf Rampant Trilogy Wolf Rampant Trilogy
Aimee Easterling
13 A Clash of Kings A Clash of Kings
George R.R. Martin
14 A Clash of Kings A Clash of Kings
George R.R. Martin
15 Stolen Stolen
Addison Cain
16 Foreverland Boxed Foreverland Boxed
Tony Bertauski
17 The Dark Tower I The Dark Tower I
Stephen King
18 The Seventh Sword The Seventh Sword
Dave Duncan
19 The A Song of Ice and Fire Series The A Song of Ice and Fire Series
George R.R. Martin
20 Autonomous Autonomous
Annalee Newitz
21 Original Sin Original Sin
David R. George III
22 A Storm of Swords A Storm of Swords
George R.R. Martin
23 The Fifth Season The Fifth Season
N. K. Jemisin
24 The Stone Sky The Stone Sky
N. K. Jemisin
25 Midnight Crossroad Midnight Crossroad
Charlaine Harris
26 A Storm of Swords A Storm of Swords
George R.R. Martin
27 Crossfire (The Omega Group) (Book 1) Crossfire (The Omega Group) (Book 1)
Andrea Domanski
28 A Dance with Dragons A Dance with Dragons
George R.R. Martin
29 The Name of the Wind The Name of the Wind
Patrick Rothfuss
30 The Wise Man's Fear The Wise Man's Fear
Patrick Rothfuss
31 The Obelisk Gate The Obelisk Gate
N. K. Jemisin
32 A Knight of the Seven Kingdoms A Knight of the Seven Kingdoms
George R.R. Martin & Gary Gianni
33 The Dark Tower IV The Dark Tower IV
Stephen King
34 Oathbringer Oathbringer
Brandon Sanderson
35 The Tomorrow Clone The Tomorrow Clone
Sean Platt & Johnny B. Truant
36 Cadia Stands Cadia Stands
Justin D Hill
37 The Black Tides of Heaven The Black Tides of Heaven
JY Yang
38 The Red Threads of Fortune The Red Threads of Fortune
JY Yang
39 Words of Radiance Words of Radiance
Brandon Sanderson
40 The Dark Tower III The Dark Tower III
Stephen King
41 Day Shift Day Shift
Charlaine Harris
42 American Gods: The Tenth Anniversary Edition American Gods: The Tenth Anniversary Edition
Neil Gaiman
43 The Dark Tower V The Dark Tower V
Stephen King
44 Paradox Bound Paradox Bound
Peter Clines
45 Lazy Son Lazy Son
Eve Langlais
46 Ender's Game Ender's Game
Orson Scott Card
47 A Feast for Crows A Feast for Crows
George R.R. Martin
48 Red Rising Red Rising
Pierce Brown
49 The Hitchhiker's Guide to the Galaxy The Hitchhiker's Guide to the Galaxy
Douglas Adams
50 Reckoning, Book II of the Arotas Trilogy Reckoning, Book II of the Arotas Trilogy
Amy Miles
51 Digital Heretic Digital Heretic
Terry Schott
52 The World of Ice & Fire The World of Ice & Fire
George R.R. Martin, Elio Garcia & Linda Antonsson
53 A Dance with Dragons A Dance with Dragons
George R.R. Martin
54 Watchers of the Throne: The Emperor's Legion Watchers of the Throne: The Emperor's Legion
Chris Wraight
55 The Magician's Diary The Magician's Diary
C.J. Archer
56 The Dark Tower VII The Dark Tower VII
Stephen King
57 The Dark Tower II The Dark Tower II
Stephen King
58 Shadows of Self Shadows of Self
Brandon Sanderson
59 The Bands of Mourning The Bands of Mourning
Brandon Sanderson
60 Fearless Fearless
Jack Campbell
61 A Feast for Crows A Feast for Crows
George R.R. Martin
62 Night Shift Night Shift
Charlaine Harris
63 Skykeep Skykeep
Joseph R. Lallo
64 Win Win
Vera Nazarian
65 The Calderan Problem The Calderan Problem
Joseph R. Lallo
66 Phasma (Star Wars) Phasma (Star Wars)
Delilah S Dawson
67 The Brightest Fell The Brightest Fell
Seanan McGuire
68 Burn Bright Burn Bright
Patricia Briggs
69 Desolation Desolation
Megg Jensen
70 The Eden Experiment The Eden Experiment
Sean Platt & Johnny B. Truant
71 Of Flame and Fate Of Flame and Fate
Cecy Robson
72 An Unkindness of Magicians An Unkindness of Magicians
Kat Howard
73 The Door in the Hedge The Door in the Hedge
Robin McKinley
74 Falling Torch Falling Torch
Algis Budrys
75 Invasion Invasion
Sean Platt & Johnny B. Truant
76 Dead Until Dark Dead Until Dark
Charlaine Harris
77 The Lord of the Rings The Lord of the Rings
J. R. R. Tolkien
78 The Great Hunt The Great Hunt
Robert Jordan
79 The Silmarillion The Silmarillion
J. R. R. Tolkien
80 Towers of Midnight Towers of Midnight
Robert Jordan & Brandon Sanderson
81 The Dragon Reborn The Dragon Reborn
Robert Jordan
82 Golden Son Golden Son
Pierce Brown
83 The Mistborn Trilogy The Mistborn Trilogy
Brandon Sanderson
84 Rise of the Valiant (Kings and Sorcerers—Book #2) Rise of the Valiant (Kings and Sorcerers—Book #2)
Morgan Rice
85 Abaddon's Gate Abaddon's Gate
James S. A. Corey
86 Virtual Prophet Virtual Prophet
Terry Schott
87 Stranger in a Strange Land Stranger in a Strange Land
Robert A. Heinlein
88 Cibola Burn Cibola Burn
James S. A. Corey
89 Royal Assassin Royal Assassin
Robin Hobb
90 Assassin's Quest Assassin's Quest
Robin Hobb
91 Babylon's Ashes Babylon's Ashes
James S. A. Corey
92 Night of the Bold (Kings and Sorcerers—Book 6) Night of the Bold (Kings and Sorcerers—Book 6)
Morgan Rice
93 Something Wicked This Way Comes Something Wicked This Way Comes
Ray Bradbury
94 Alien Hunters: The Complete Trilogy Alien Hunters: The Complete Trilogy
Daniel Arenson
95 The Collapsing Empire The Collapsing Empire
John Scalzi
96 Compete Compete
Vera Nazarian
97 Sword of Destiny Sword of Destiny
Andrzej Sapkowski
98 The Rise and Fall of D.O.D.O. The Rise and Fall of D.O.D.O.
Neal Stephenson & Nicole Galland
99 Knight, Heir, Prince (Of Crowns and Glory—Book 3) Knight, Heir, Prince (Of Crowns and Glory—Book 3)
Morgan Rice
100 Fragmented Fragmented
Terry Schott

The top 100 Sci Fi And Fantasy books chart is updated daily using actual iTunes sales data.