KDP categories · Top KDP authors
Nosology (Basic Science, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Nosology (Basic Science, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 5 reviews, average rating 4.5 and a KDPTop opportunity score of 19/100 (highly competitive).
| Price range (middle 50%) | $6.97 – $22.59 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 43 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Basic Science (1,000), one of the easier corners under it.
- Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
- Only 5% of its best sellers are under 90 days old, fewer than in 76% of Kindle eBooks categories: established titles hold the list.
Top 10 Nosology best sellers
-
Men with ADHD Superpowers: A Revolutionary Approach to Quiet Chaos, Achieve Goals, Strengthen Relationships, and Transform Failure into Success
by Chuck Crisco
- List rank#1
- Price$9.99
- Rating5.0
- Reviews31
-
Coding with Modifiers, 6th Edition
by Robin I Linker
- List rank#2
- Price$77.09
- Rating4.6
- Reviews21
-
Mind Mapping for Men with Adult ADHD: Daily Brain Exercises and Strategies for a Positive Transformation to Control Anxious Thoughts, Improve Concentration, and Productivity (ADHD Workbooks Book 1)
by Jimmy Taylor
- List rank#3
- Price$9.99
- Rating4.5
- Reviews400
-
Men With Adult ADHD: 2 in 1: The Practical Guide with 90+ CBT, DBT, and Mind Mapping Exercises to Manage Anxiety and Enhance Focus, Resilience, Motivation, ... Functioning (ADHD Workbooks Book 3)
by Jimmy Taylor
- List rank#4
- Price$9.99
- Rating4.7
- Reviews85
-
Risk Adjustment Documentation & Coding, 2nd Edition
by Sheri Poe Bernard
- List rank#5
- Price$110
- Rating4.7
- Reviews217
-
The DSM-5-TR® Atlas: Visual Diagnostic Profiles, Differential Comparisons, and Rapid-Review Maps for Students, Trainees, and Clinicians
by Graham J. Ellis
- List rank#6
- Price$12.99
- Rating5.0
- Reviews1
-
Men with Adult ADHD Workbook: 80+ Proven Mind Mapping Exercises to Improve Time Management, Productivity, Creativity, and Executive Functioning by ... and Procrastination (ADHD Workbooks Book 2)
by Jimmy Taylor
- List rank#7
- Price$9.99
- Rating4.4
- Reviews72
-
Zoonomia: The Laws of Organic Life (Annotated): Enriched Edition. Complete Edition (Vol. 1&2)
by Erasmus Darwin
- List rank#8
- Price$2.99
- Rating4.7
- Reviews4
-
EL CANCER NO PUDO CON MI LUZ: Mi Luz Fue Más Fuerte Que El Cáncer (Spanish Edition)
by CLAIRET RANGEL JUAREZ
- List rank#9
- Price$0.99
- Rating5.0
- Reviews10
-
The 2017 ICD-10-CM Big Book of Codes
by Lawrence Ham
- List rank#10
- Price$9.99
- Rating3.8
- Reviews4
Same niche in Books: Nosology
FAQ
Is Nosology a good niche for Amazon KDP?
Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $9.99.
How many reviews do you need to rank in Nosology?
The median best seller has 5 reviews, and 91% of them have fewer than 100.
What do Nosology best sellers cost?
The median price is $9.99; half of the best sellers are priced between $6.97 and $22.59.
Can new books break into Nosology?
5% 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.