KDP categories · Top KDP authors
Medicine (Japanese, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Medicine (Japanese, Kindle eBooks), updated Nov 2, 2026: median price $5.70, median 20 reviews, average rating 4.2 and a KDPTop opportunity score of 16/100 (highly competitive).
| Price range (middle 50%) | $3.27 – $9.68 |
|---|---|
| Average rating | 4.2 |
| New releases (90 days) | 0% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 0% of its best sellers are under 90 days old, fewer than in 99% of Kindle eBooks categories: established titles hold the list.
- Its review barrier is lower than in 72% of Kindle eBooks categories: the median best seller has only 20 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $3.27 to $9.68, so budget editions and premium or boxed sets sell side by side.
Top 10 Medicine best sellers
-
Water is the most powerful nutritional drink: A book on how to drink and choose the right drink (Japanese Edition)
by kusunoki teturo
- List rank#1
- Price$2.99
- Rating3.6
- Reviews26
-
pediatric EEG: Basic and Atlas EEG study (Japanese Edition)
by Yuya Onozawa
- List rank#2
- Price$8.83
- Rating4.6
- Reviews6
-
situkoihuannkanngakanarazukieru serotoninhukkatsusutoresukaisyouhoutaiwaban: noutotyounosikumikarahimotokusaitannsaizennnomenntarukaizennhoutookisitosinnbunnpituhou (Japanese Edition)
by Jeg
- List rank#3
- Price$3.75
- Rating4.4
- Reviews2,132
-
Father-daughter incest: kazoku no yamiwo terasu (Japanese Edition)
by Judith Lewis Herman
- List rank#4
- Price$9.99
- Rating4.6
- Reviews3
-
LEVELS OF HEALTH (homeopathy) (Japanese Edition)
by George Vithoulkas
- List rank#5
- Price$9.99
- Rating2.0
- Reviews1
-
新版呼吸の本 (Japanese Edition)
by 谷川俊太郎
- List rank#6
- Price$10.76
- Rating4.6
- Reviews20
-
わがまま養生訓 (Japanese Edition)
by 鈴木養平
- List rank#7
- Price$9.51
- Rating4.4
- Reviews120
-
心電図・心エコーコンパクトナビ (Japanese Edition)
by 一色高明
- List rank#8
- Price$9.99
- Rating3.6
- Reviews12
-
200NOSYOUREIWOTIRYOUSITAJUUISIGAOSIERUPOMERANIANNNODATUMOUSYOU: GENNINNTIRYOUOSEWANOTYUUITENNKAINUSINONAYAMINIZUBATTOKOTAEMASU (HIMAWARIDOUBUTUBYOUIN) (Japanese Edition)
by KITABAYASHI MAKOTO
- List rank#9
- Price$9.40
- Rating4.3
- Reviews35
-
やって良かった！１日１食 (Japanese Edition)
by 船瀬俊介
- List rank#10
- Price$10.14
- Rating4.0
- Reviews171
FAQ
Is Medicine a good niche for Amazon KDP?
Its KDPTop opportunity score is 16/100, which makes it highly competitive. The median best seller has 20 reviews and sells for $5.70.
How many reviews do you need to rank in Medicine?
The median best seller has 20 reviews, and 80% of them have fewer than 100.
What do Medicine best sellers cost?
The median price is $5.70; half of the best sellers are priced between $3.27 and $9.68.
Can new books break into Medicine?
0% 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.