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Hiroshi Yamada: Amazon KDP author data
As of Nov 6, 2026, Hiroshi Yamada has 24 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #6), mostly in Allied Health Services, Medical Assistants, Dental Assisting.
| Median price | $23.50 |
|---|---|
| Price range (middle 50%) | $21.50 – $25 |
| Median reviews | 2 |
| Total reviews | 17 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Median price $23.50, 58% below the median of their main category, Allied Health Services.
- 3 new listings in the last 30 days (new editions included), 3 of them broke into a Best Sellers list.
Hiroshi Yamada's best-ranked books
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CNA STUDY GUIDE 2026– 2027: Complete Certified Nursing Assistant Exam Prep with Review Lessons, Skills Checklists, Practice Questions, Flashcards, and Full Length Practice Tests
by Hiroshi Yamada
- Price$19.99
- Rating5.0
- Reviews2
-
DOT MEDICAL EXAMINER STUDY GUIDE 2026–2027: NRCME Test Prep with Current FMCSA Standards, Case-Based Review, Five Full-Length Practice Exams, and a Final 60-Question Rapid-Review Quiz
by Hiroshi Yamada
- Price$21
- Reviews-
- Published2026-09
-
NICET INSPECTION & TESTING OF WATER-BASED SYSTEMS LEVEL I STUDY GUIDE 2026–2027: Complete Exam Prep with NFPA 25 (2023), OSHA 1910, Fire Sprinkler ... and 3 Full-Length Practice Tests
by Hiroshi Yamada
- Price$22
- Rating5.0
- Reviews2
- Published2026-09
-
DAT STUDY GUIDE 2026 - 2027: Pass Your Dental Admission Test with Confidence: 5 Full Practice Exams, 100+ Digital Flashcards, Clear Explanations, and ... for a High Score on Your First Attempt
by Hiroshi Yamada
- Price$33.50
- Reviews-
- Published2026-04
-
Dental Assistant Certification Study Guide 2026–2027: CDA Exam Prep with 400+ Practice Questions, Flashcards, and Detailed Explanations to Help You Pass on Your First Try
by Hiroshi Yamada
- Price$21.50
- Rating3.0
- Reviews4
- Published2026-03
-
Certified Ophthalmic Assistant Exam Study Guide 2026–2027: Complete Review with 1,000 Practice Questions, 5 Full-Length Exams, Detailed Answer ... Strategies and 100 Quick-Review Flashcards
by Hiroshi Yamada
- Price$23.50
- Rating5.0
- Reviews1
-
Nursing Home Administrator Study Guide 2026-2027: Complete NHA Exam Review with Full Practice Tests, Digital Flashcards, and Clear Lessons for Confident Exam Prep
by Hiroshi Yamada
- Price$24
- Reviews-
- Published2026-04
-
CAMS STUDY GUIDE 2026 - 2027: Master AML Compliance, Customer Due Diligence, Sanctions, Financial Crime Investigations, and Exam-Style Practice Questions with Clear Answer Explanations
by Hiroshi Yamada
- Price$25
- Reviews-
-
Competition Law in Japan (IEL Competition Law)
by Hiroshi Yamada
- Price$65.60
- Reviews-
-
HSPT STUDY GUIDE 2026 - 2027: Complete High School Placement Test Prep with 8 Full-Length Practice Tests, a Full-Length Diagnostic Test, 3,000+ Questions, 200 Flashcards, and Detailed Explanations
by Hiroshi Yamada
- Price$24
- Rating5.0
- Reviews2
Main categories
FAQ
How many books does Hiroshi Yamada have on Amazon?
KDPTop tracks 24 of their books; 11 made an Amazon list in the last 30 days.
Which categories does Hiroshi Yamada publish in?
Their books chart most often in Allied Health Services, Medical Assistants, Dental Assisting.
How does Hiroshi Yamada price their books?
The median price is $23.50; half of the books cost $21.50–$25.
Has Hiroshi Yamada released new books recently?
3 new books in the last 30 days, 3 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.