KDP categories · Top KDP authors
Asthma (Diseases & Physical Ailments, Books): Amazon KDP category data
Amazon Books Best Sellers data for Asthma (Diseases & Physical Ailments, Books), updated Nov 3, 2026: median price $15.95, median 67 reviews, average rating 4.5 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $12.47 – $21.83 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 99 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
Top 10 Asthma best sellers
-
The Complete First Aid Pocket Guide: Step-by-Step Treatment for All of Your Medical Emergencies Including • Heart Attack • Stroke • Food Poisoning • ... • Shock • Anaphylaxis • Minor Wounds • Burns
by John Furst
- List rank#1
- Price$9.59
- Rating4.7
- Reviews662
-
Dropping Acid: The Reflux Diet Cookbook & Cure
by Jamie Koufman
- List rank#2
- Price$22
- Rating4.3
- Reviews2,916
-
All About Allergies: Everything You Need to Know About Asthma, Food Allergies, Hay Fever, and More
by Zachary Rubin MD
- List rank#3
- Price$18.58
- Rating4.7
- Reviews301
-
The Chronic Cough Enigma: How to recognize neurogenic and reflux related cough
by Jamie A. Koufman M.D. F.A.C.S.
- List rank#4
- Price$12.68
- Rating4.5
- Reviews1,251
-
Water: For Health, for Healing, for Life: You're Not Sick, You're Thirsty!
by F. Batmanghelidj MD
- List rank#5
- Price$11.19
- Rating4.7
- Reviews1,386
-
The Magnesium Miracle (Second Edition)
by Carolyn Dean M.D. N.D.
- List rank#6
- Price$12.45
- Rating4.6
- Reviews1,632
-
Heal Faster: Unlock Your Body's Rapid Recovery Reflex
by Victoria Maizes M.D.
- List rank#7
- Price$15.50
- Rating4.2
- Reviews83
-
The Oxygen Cure: A Complete Guide to Hyperbaric Oxygen Therapy
by William S. Maxfield
- List rank#8
- Price$11
- Rating4.6
- Reviews214
-
Your Hands Can Heal You: Pranic Healing Energy Remedies to Boost Vitality and Speed Recovery from Common Health Problems
by Master Stephen Co
- List rank#9
- Price$11.39
- Rating4.8
- Reviews675
-
Missing Microbes: How the Overuse of Antibiotics Is Fueling Our Modern Plagues
by Martin J. Blaser
- List rank#10
- Price$2.99
- Rating4.6
- Reviews890
FAQ
Is Asthma a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 67 reviews and sells for $15.95.
How many reviews do you need to rank in Asthma?
The median best seller has 67 reviews, and 56% of them have fewer than 100.
What do Asthma best sellers cost?
The median price is $15.95; half of the best sellers are priced between $12.47 and $21.83.
Can new books break into Asthma?
6% 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.