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Special Topics (Medical eBooks, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Special Topics (Medical eBooks, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 1,092 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $12.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 88% of Kindle eBooks categories: the median best seller has 1,092 reviews, so new books need time to build up.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
- Prices spread wide: the middle half runs from $4.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Special Topics best sellers
-
When the Air Hits Your Brain: Tales from Neurosurgery
by Frank T. Vertosick Jr., MD
- List rank#1
- Price$9.99
- Rating4.7
- Reviews3,000
-
Stiff: The Curious Lives of Human Cadavers
by Mary Roach
- List rank#2
- Price$11.38
- Rating4.5
- Reviews9,287
-
The Song of the Cell: An Exploration of Medicine and the New Human
- List rank#3
- Price$2.99
- Rating4.7
- Reviews3,142
-
The Tale of the Dueling Neurosurgeons: The History of the Human Brain as Revealed by True Stories of Trauma, Madness, and Recovery
by Sam Kean
- List rank#4
- Price$2.99
- Rating4.6
- Reviews1,234
-
Eat to Beat Disease: The New Science of How Your Body Can Heal Itself
- List rank#5
- Price$15.99
- Rating4.6
- Reviews9,394
-
Quackery: A Brief History of the Worst Ways to Cure Everything
by Lydia Kang
- List rank#6
- Price$13.52
- Rating4.6
- Reviews2,866
-
The Radium Girls: The Dark Story of America's Shining Women (Bestselling Historical Nonfiction Gift for Men and Women)
by Kate Moore
- List rank#7
- Price$9.17
- Rating4.6
- Reviews24,726
-
The Immortal Life of Henrietta Lacks
- List rank#8
- Price$8.99
- Rating4.6
- Reviews31,544
-
The Royal Art of Poison: Filthy Palaces, Fatal Cosmetics, Deadly Medicine, and Murder Most Foul
by Eleanor Herman
- List rank#9
- Price$17.99
- Rating4.5
- Reviews504
-
Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President
- List rank#10
- Price$10.99
- Rating4.6
- Reviews9,092
Subcategories
FAQ
Is Special Topics a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 1,092 reviews and sells for $9.99.
How many reviews do you need to rank in Special Topics?
The median best seller has 1,092 reviews, and 18% of them have fewer than 100.
What do Special Topics best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $12.99.
Can new books break into Special Topics?
4% 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.