KDP categories · Top KDP authors
Pulmonary (Internal Medicine, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Pulmonary (Internal Medicine, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 7 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $5.84 – $47.24 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Internal Medicine (776), one of the easier corners under it.
- Its review barrier is lower than in 85% of Kindle eBooks categories: the median best seller has only 7 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $5.84 to $47.24, so budget editions and premium or boxed sets sell side by side.
Top 10 Pulmonary best sellers
-
The Advanced Ventilator Book
by William Owens
- List rank#1
- Price$9.99
- Rating4.7
- Reviews492
-
The Ventilator Book
by William Owens MD
- List rank#2
- Price$9.99
- Rating4.8
- Reviews2,268
-
Critical Care and Hospitalist Medicine Reference Guide: Learn to Manage Illness in Patients with 1000 Practical Exercises, Real Case Scenarios & Clinical Pearls for Every Emergency
by Steven S. Lofgren
- List rank#3
- Price$19.99
- Rating5.0
- Reviews5
-
Stories of Intensive Care: Medical Challenges and Ethical Dilemmas in Real Patients
by Lawrence Martin
- List rank#4
- Price$3.99
- Rating4.5
- Reviews29
-
How to Do Breathwork (And Enjoy It)
by Sarah Austin Casson
- List rank#5
- Price$6.99
- Rating4.8
- Reviews16
-
Beating Bronchiectasis: How I Went from Diagnosis to Full Recovery in Just One Year
by Daniel Pecaut
- List rank#6
- Price$2.99
- Rating4.2
- Reviews679
-
Respiratory Nursing Made Visual: A Visual Guide to Respiratory Assessment, Oxygen Therapy, ABGs, Ventilation, Lung Disorders, and Clinical Decision Making (Starr Clinical Press Made Visual)
by Linda Starr
- List rank#7
- Price$12.99
- Reviews-
-
Apnea Unmasked: Reclaim Your Breath. Reclaim Your Life.
by Dr. Doug Willen
- List rank#8
- Price$9.99
- Rating4.9
- Reviews39
-
Facing Death: Finding Dignity, Hope and Healing at the End
by Jim deMaine
- List rank#9
- Price$9.99
- Rating4.8
- Reviews46
-
Break The Mold: 5 Tools to Conquer Mold and Take Back Your Health
by Dr. Jill Crista
- List rank#10
- Price$9.95
- Rating4.8
- Reviews669
FAQ
Is Pulmonary a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 7 reviews and sells for $9.99.
How many reviews do you need to rank in Pulmonary?
The median best seller has 7 reviews, and 87% of them have fewer than 100.
What do Pulmonary best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.84 and $47.24.
Can new books break into Pulmonary?
9% 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.