KDP categories · Top KDP authors
Felix Harder: Amazon KDP author data
As of Nov 6, 2026, Felix Harder has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #9), mostly in Training, Exercise & Fitness, Weight Training.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 276 |
| Total reviews | 623 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $2.99, 67% below the median of their main category, Training.
Felix Harder's best-ranked books
-
Arm Workout Bible: 39 Best Workouts For Bigger And Stronger Arms (Bodybuilding Series)
by Felix Harder
- Price$2.99
- Rating4.0
- Reviews28
-
33 Best Science-Based Workout Hacks: Simple Tricks To Gaining More Muscle By Training & Dieting More Efficiently
by Felix Harder
- Price$0
- Rating4.2
- Reviews319
- Published2016-09
-
The Muscle And Fitness Diet: Build Your Perfect Muscle Growth Meal Plan & Diet
by Felix Harder
- Price$0
- Rating3.8
- Reviews276
- Published2018-08
Main categories
FAQ
How many books does Felix Harder have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Felix Harder publish in?
Their books chart most often in Training, Exercise & Fitness, Weight Training.
How does Felix Harder price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Felix Harder released new books recently?
0 new books in the last 30 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.