KDP categories · Top KDP authors
Tropical Medicine (Infectious Disease, Books): Amazon KDP category data
Amazon Books Best Sellers data for Tropical Medicine (Infectious Disease, Books), updated Nov 2, 2026: median price $33.59, median 10 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $19.97 – $58.57 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 3% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Infectious Disease (252), one of the easier corners under it.
- Only 3% of its best sellers are under 90 days old, fewer than in 88% of Books categories: established titles hold the list.
- At $33.59 its median price beats 91% of Books categories, leaving more margin per copy.
Top 10 Tropical Medicine best sellers
-
The Infectious Disease Colouring Book:: A Gruesome Colouring Therapy Adventure
by MR Nicholas Wright
- List rank#1
- Price$9.86
- Rating4.6
- Reviews415
-
The Fever: How Malaria Has Ruled Humankind for 500,000 Years
by Sonia Shah
- List rank#2
- Price$2.99
- Rating4.4
- Reviews309
-
Oxford Handbook of Tropical Medicine (Oxford Medical Handbooks)
by Robert Davidson
- List rank#3
- Price$46.68
- Rating4.5
- Reviews37
-
Oxford Handbook of Expedition and Wilderness Medicine (Oxford Medical Handbooks)
by Jon Dallimore
- List rank#4
- Price$53
- Rating4.6
- Reviews34
-
Dr. Sebi’s Alkaline Herbs: Discover the Alkaline Herbal Path for Full-Body Detox and Lifelong Health. | Cleansing Teas, Infusions and Decoctions for Natural Healing (Dr. Sebi's Encyclopedia of Herbs)
by Rosalinda Montes
- List rank#5
- Price$23.95
- Rating4.6
- Reviews501
-
Kratom: 101 Things You Need To Know About Kratom
by Frank Coles
- List rank#6
- Price$4.99
- Rating4.5
- Reviews162
-
The Flesh Eaters: The World's Deadliest Flesh-Eating Diseases
by J.D. Sherwood
- List rank#7
- Price$4.99
- Rating4.3
- Reviews54
-
KING:PRIMARY SURGERY VOL.1:NON-TRAUMA LOW PRICED EDITION PAPER
by KING
- List rank#8
- Price$46.48
- Rating4.5
- Reviews21
-
The Making of a Tropical Disease: A Short History of Malaria (Johns Hopkins Biographies of Disease), 2nd edition
by Randall M. Packard
- List rank#9
- Price$36.19
- Rating4.6
- Reviews3
-
Medicine for the Outdoors: The Essential Guide to First Aid and Medical Emergencies
by Paul S. Auerbach MD MS FACEP MFAWM FAAEM
- List rank#10
- Price$19.99
- Rating4.6
- Reviews189
FAQ
Is Tropical Medicine a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $33.59.
How many reviews do you need to rank in Tropical Medicine?
The median best seller has 10 reviews, and 94% of them have fewer than 100.
What do Tropical Medicine best sellers cost?
The median price is $33.59; half of the best sellers are priced between $19.97 and $58.57.
Can new books break into Tropical Medicine?
3% 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.