KDP categories · Top KDP authors
Henry Martin: Amazon KDP author data
As of Nov 6, 2026, Henry Martin has 19 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #1), mostly in Nephrology, Low Salt, Urology.
| Median price | $19.99 |
|---|---|
| Price range (middle 50%) | $18.99 – $22.99 |
| Median reviews | 53 |
| Total reviews | 1,489 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 63% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Henry Martin's best-ranked books
-
The Easiest Stage 3 Kidney Disease Diet Cookbook for Seniors: 100+ Quick & Tasty Renal Recipes in Full Color to Support CKD and Boost Energy, To End Boredom & Bring Clarity | With 28-Day Meal Plan
by Henry Martin
- Price$19.99
- Rating4.4
- Reviews191
-
The Kidney Disease Food List Bible: The Instructions You Never Got — A Clear Grocery Guide for the Renal Diet with 300+ Foods to Make Safe Food Choices Based on Your Labs
by Henry Martin
- Price$19.99
- Rating4.6
- Reviews116
-
The 30-Minute Kidney Disease Diet Cookbook for Stage 3 and 4: 120+ Quick and Tasty Renal Recipes, with a Stress-Free 28-Day Meal Plan and Clear Guidance to Manage CKD with Confidence
by Henry Martin
- Price$22.99
- Rating4.6
- Reviews86
-
The Easiest Stage 3 Kidney Disease Diet Cookbook for Seniors: 100+ Quick & Tasty Renal Recipes in Full Color to Support CKD and Boost Energy, To End Boredom & Bring Clarity | With 28-Day Meal Plan
by Henry Martin
- Price$16.99
- Rating4.4
- Reviews191
-
The 5 Ingredient Stage 4 Kidney Disease Diet Cookbook for Seniors: 120+ Tasty Renal Recipes in Full Color to Manage CKD, End Confusion & Boredom, and Enjoy Real Food with Confidence Again
by Henry Martin
- Price$22.99
- Rating4.4
- Reviews207
-
Lawfare: A Practical Guide
by Henry Martin
- Price$24
- Rating4.8
- Reviews6
-
The 5 Ingredient Type 2 Diabetes Cookbook for Beginners: 100+ Quick and Simple Diabetic Recipes with a 28-Day Meal Plan to Manage Blood Sugar Without Giving Up the Foods You Love
by Henry Martin
- Price$22.99
- Rating4.8
- Reviews53
- Published2026-05
-
The 30-Minute Kidney Disease Diet Cookbook for Stage 3 and 4: 120+ Quick and Tasty Renal Recipes, with a Stress-Free 28-Day Meal Plan and Clear Guidance to Manage CKD with Confidence
by Henry Martin
- Price$18.99
- Rating4.6
- Reviews86
-
Lawfare: A Practical Guide
by Henry Martin
- Price$9.99
- Rating4.8
- Reviews6
-
Fast & Easy Renal Diet Cookbook: Support Your Kidney Health with Simple, Tasty Low-Sodium & Low-Potassium Recipes | Manage CKD Progression, with 120 Easy-to-Make Recipes and a 28-Day Meal Plan
by Henry Martin
- Price$19.99
- Rating4.4
- Reviews68
Main categories
FAQ
How many books does Henry Martin have on Amazon?
KDPTop tracks 19 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Henry Martin publish in?
Their books chart most often in Nephrology, Low Salt, Urology.
How does Henry Martin price their books?
The median price is $19.99; half of the books cost $18.99–$22.99.
Has Henry Martin released new books recently?
0 new books in the last 30 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.