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John Landry: Amazon KDP author data
John Landry has 36 books on Amazon, 36 of them on a best-seller list in the last 30 days (best rank #2), mostly in Respiratory Therapy, Education & Training, Allied Health Professions.
36Books on Amazon
36Listed in 30 days
4.7Average rating
| Median price | $9.98 |
|---|---|
| Price range (middle 50%) | $9.98 – $13.23 |
| Median reviews | 40 |
| Total reviews | 2,458 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $9.98, 72% below the median of their main category, Respiratory Therapy.
John Landry's best-ranked books
-
ABG Interpretation: The Ultimate Guide to Arterial Blood Gases
by John Landry
- Price$9.98
- Rating5.0
- Reviews34
-
RRT Cheat Sheet: Tips and Insights for Passing the Respiratory Therapy Examination
by John Landry
- Price$9.98
- Rating4.7
- Reviews34
-
Hacking the RRT Exam: Tips and Insights for Passing the Respiratory Therapy Examination
by John Landry
- Price$9.98
- Rating4.9
- Reviews20
-
Respiratory Therapy Normal Values: Reference Guide for Students and Respiratory Therapists
by John Landry
- Price$3.98
- Rating5.0
- Reviews22
-
Mechanical Ventilation Final Exam: Study Guide, Practice Questions, and Reference Notes
by John Landry
- Price$3.98
- Rating5.0
- Reviews3
-
PFT Practice Questions: 25+ Board-Style Questions and Rationales on Pulmonary Function Testing
by John Landry
- Price$9.98
- Rating4.6
- Reviews70
-
Master the Clinical Simulation Exam (CSE): Tips and Strategies to Pass the Exam on Your First (or Next) Attempt
by John Landry
- Price$9.98
- Rating4.6
- Reviews34
-
9 Questions You'll See on the TMC Exam: And How to Answer Them Correctly Every Time
by John Landry
- Price$9.98
- Rating4.8
- Reviews151
-
Respiratory Therapy Pathology Final Exam: Study Guide and Practice Questions
by John Landry
- Price$3.98
- Rating4.8
- Reviews137
-
Mechanical Ventilation Basics: Overview, Reference Notes, and Essentials
by John Landry
- Price$9.98
- Rating4.6
- Reviews40
Main categories
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.