Books -> Science Fiction & Fantasy -> Science Fiction -> Military -> Space Fleet  

Monthly median sales (top 20)
$7,261
  Book's median price
$4
Bestseller's daily sales
269
50th's book daily sales
29
Average number of pages/book
333
Monopoly/Olygopoly detected
Yes

Performance tracking

Matching KDP categories

  • fiction->science fiction->military  -  82.50%
  • fiction->science fiction->hard science fiction  -  77.15%
  • fiction->science fiction->space opera  -  76.38%
  • juvenile->fiction->science fiction  -  70.71%

Keyword requirement

military, war, fleet, starship, science fiction, dystopian

Most significant title terms:

Median title & subtitle length is 5 words:

  • Firefly - Big Damn Hero
  • Babylon's Ashes (The Expanse)
  • Columbus Day (Expeditionary Force Book 1)
  • Nemesis (First Colony Book 2)
  • Cat Wars 2019 Wall Calendar
  • Indie success
  • 20%
  • Volatility
  • 20%
  • New releases
  • 60%

#1

kindle best category lists

>Glynn Stewart

 50

#2

kindle best category lists

>G. S. Jennsen

 40

#3

kindle best category lists

>David Ryker

 62

#48

kindle best category lists

>Sellers Publishing

 0

#49

kindle best category lists

>Cixin Liu

 591

#50

kindle best category lists

>James S. A. Corey

 672

Top 15 bestsellers:

  Book title   Author   Publisher   Absolute rank   Monthly sales volume   Price   Amazon stars   Amazon reviews  
1   UnArcana Stars (Starship's Mage Book 6) Glynn Stewart Faolan's Pen Publishing 238 $23,190 $2.99 50
2   Exin Ex Machina: Asterion Noir Book 1 G. S. Jennsen Hypernova Publishing 435 $5,100 $0.99 40
3   Recruit (Iron Legion Book 1) David Ryker Ryker's Rogues 692 $3,132 $0.99 62
4   Soldier (Iron Legion Book 2) David Ryker Ryker's Rogues 822 $2,577 $0.99 23
5   Storm World (Undying Mercenaries Series Book 10) B. V. Larson Iron Tower Press 1122 $13,585 $5.99 223
6   Warship (Black Fleet Trilogy, Book 1) Joshua Dalzelle Self published 1178 $8,825 $3.99 1487
7   Nightfall (Blood on the Stars Book 10) Jay Allan System 7 Publishing 1365 $10,199 $4.99 91
8   Warden's Folly: A Sci Fi Adventure (The Ancient Guardians Book 2) Tony James Slater Various Things (ADT) 1621 $1,829 $0.99 5
9   Starplex Robert J. Sawyer SFWRITER.COM Inc. 1697 $1,774 $0.99 50
10   Breakout (Fugitive Marines Book 1) David Ryker Ryker's Rogues 1813 $1,690 $0.99 56
11   Saga Volume 9 Brian K Vaughan Image Comics 1885 $25,183 $14.99 55
12   Para Bellum (Ark Royal Book 13) Christopher Nuttall Self published 1983 $6,479 $3.99 12
13   Nemesis (First Colony Book 2) Ken Lozito Acoustical Books LLC 2190 $7,544 $4.99 288
14   Columbus Day (Expeditionary Force Book 1) Craig Alanson Self published 2198 $1,469 $0.99 1271
15   Firefly - Big Damn Hero James Lovegrove Titan Books 3145 $25,061 $22.95 29

Recurrent ideas in the top 20 books: