KDP categories · Top KDP authors
Propulsion Technology: Amazon KDP category data
Amazon Books Best Sellers data for Propulsion Technology, updated Nov 2, 2026: median price $32.99, median 12 reviews, average rating 4.4 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $19.43 – $87.28 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Aerospace (346), one of the easier corners under it.
- At $32.99 its median price beats 90% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 80% of Books categories: the median best seller has only 12 reviews, so new books can chart with few.
Top 10 Propulsion Technology best sellers
-
Where Is My Flying Car?
by J. Storrs Hall
- List rank#1
- Price$12.63
- Rating4.4
- Reviews275
-
Faster Than Light: Warp Drive and Quantum Vacuum Power (Lost Science)
by Jr. H. David Froning
- List rank#2
- Price$16.59
- Rating4.4
- Reviews44
-
Von Braun: Dreamer of Space, Engineer of War (Vintage)
by Michael Neufeld
- List rank#3
- Price$21.55
- Rating4.5
- Reviews291
-
Sex and Rockets: The Occult World of Jack Parsons
by John Carter
- List rank#4
- Price$19.57
- Rating4.3
- Reviews318
-
Secrets of Antigravity Propulsion: Tesla, UFOs, and Classified Aerospace Technology
by Paul A. LaViolette Ph.D.
- List rank#5
- Price$14.81
- Rating4.6
- Reviews496
-
Modern Engineering for Design of Liquid Propellant Rocket Engines (Progress in Astronautics and Aeronautics)
by Dieter K Huzel
- List rank#6
- Price$90.14
- Rating4.6
- Reviews65
-
Rocket Propulsion Elements
by George P. Sutton
- List rank#7
- Price$146
- Rating4.3
- Reviews8
-
Handbook of Rocket Propulsion Engineering: Liquid, Solid, Hybrid, and Electric Systems from Fundamentals to Advanced Design
by NATHANIEL K. STERLING
- List rank#8
- Price$29.99
- Rating5.0
- Reviews1
-
Aeronautical Engineering, Foundations and Frameworks Series: The Science of Flight, Aircraft Design, Aerodynamics, Propulsion & Modern Aviation Systems
by Martin Foster
- List rank#9
- Price$16.36
- Reviews-
-
The Engines of Pratt & Whitney: A Technical History (Library of Flight)
by J. Connors
- List rank#10
- Price$49.95
- Rating4.6
- Reviews47
FAQ
Is Propulsion Technology a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 12 reviews and sells for $32.99.
How many reviews do you need to rank in Propulsion Technology?
The median best seller has 12 reviews, and 77% of them have fewer than 100.
What do Propulsion Technology best sellers cost?
The median price is $32.99; half of the best sellers are priced between $19.43 and $87.28.
Can new books break into Propulsion Technology?
12% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.