KDP categories · Top KDP authors
Calvin Yates: Amazon KDP author data
As of Nov 6, 2026, Calvin Yates has 7 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #6), mostly in Test Preparation & Review, Test Preparation, Professional.
| Median price | $15.13 |
|---|---|
| Price range (middle 50%) | $11.18 – $15.82 |
| Median reviews | 1 |
| Total reviews | 8 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- 86% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $15.13, 63% below the median of their main category, Test Preparation & Review.
Calvin Yates's best-ranked books
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ATI TEAS 7 Study Guide: Complete Review to Pass the Exam with Practice Tests, Essential Nursing Academic Skills, and Effective Test-Taking Techniques
by Calvin Yates
- Price$15.82
- Rating4.5
- Reviews2
-
CNA Certification Exam Prep 2026-2027: The Complete Nurse Aide Certification Study Guide with 3 Full-Length Practice Tests, 210 Questions, Detailed Answer Rationales, 23 Skills
by Calvin Yates
- Price$11.37
- Reviews-
-
CCMA Certified Clinical Medical Assistant Exam Prep: Pass the NHA Exam with Confidence + Complete Study Guide with Practice Tests, Clinical Skills Review, and Test-Taking Strategies
by Calvin Yates
- Price$15.82
- Rating5.0
- Reviews3
-
Certified Professional Coder (CPC) Study Guide: Pass the AAPC Exam with Confidence - Complete Medical Coding Review and Practice Questions
by Calvin Yates
- Price$15.82
- Rating4.0
- Reviews1
-
RMA Registered Medical Assistant Exam Prep: Complete Study Guide with Full-Length Practice Tests, Clinical Concepts & Test-Taking Strategies
by Calvin Yates
- Price$15.13
- Rating5.0
- Reviews1
-
Adult CCRN Study Guide: Complete Review with Practice Questions and Answer Explanations to Pass the Critical Care Registered Nurse Exam on Your First Try
by Calvin Yates
- Price$0.99
- Rating5.0
- Reviews1
- Published2025-08
-
CNA Certification Exam Prep 2026–2027 : The Complete Nurse Aide Certification Study Guide with 3 Full-Length Practice Tests, 210 Questions, Detailed Answer Rationales, 23 Skills
by Calvin Yates
- Price$10.99
- Reviews-
Main categories
FAQ
How many books does Calvin Yates have on Amazon?
KDPTop tracks 7 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Calvin Yates publish in?
Their books chart most often in Test Preparation & Review, Test Preparation, Professional.
How does Calvin Yates price their books?
The median price is $15.13; half of the books cost $11.18–$15.82.
Has Calvin Yates released new books recently?
2 new books in the last 30 days, 1 of which reached a Best Sellers list.
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.