KDP categories · Top KDP authors
Martin Kings: Amazon KDP author data
As of Nov 6, 2026, Martin Kings has 74 books on Amazon, 29 of them on a best-seller list in the last 30 days (best rank #1), mostly in Testing, Study & Test-Taking Skills, Graduate School.
| Median price | $15.99 |
|---|---|
| Price range (middle 50%) | $10.99 – $33.35 |
| Median reviews | 5 |
| Total reviews | 257 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $15.99, 60% above the median of their main category, Testing.
- 9 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Martin Kings's best-ranked books
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GED Study Guide 2026-2027 All Subjects: Complete Prep Book with 1001+ Practice Questions, Step-by-Step Answer Explanations.: Ideal for Busy Adult Learners and ESL Students.
by Martin Kings
- Price$0.99
- Rating4.0
- Reviews45
-
GED Study Guide 2026-2027 All Subjects: Complete Prep Book with 1001+ Practice Questions, Step-by-Step Answer Explanations, and Proven Strategies to ... for Busy Adult Learners and ESL Students.
by Martin Kings
- Price$10.99
- Rating4.0
- Reviews45
- Published2026-04
-
C-EFM Exam Study Guide 2026–2027: All-in-One NCC Certified Electronic Fetal Monitoring Review with 1000+ Practice Questions, Detailed Rationales, and 5 Full-Length Practice Tests.
by Martin Kings
- Price$49.76
- Rating5.0
- Reviews2
-
AAPC CPC Study Guide 2026–2027: Complete Exam Prep for the Certified Professional Coder Exam — Practice Tests, Medical Coding Review, E/M, CPT, ICD-10-CM, and 2-Week Study Plan
by Martin Kings
- Price$12.99
- Rating5.0
- Reviews6
-
CPA FAR Study Guide 2026–2027: Complete Exam Prep for CPA Financial Accounting and Reporting — Practice Questions, Simulations, GAAP Review, Government Accounting, and 5 Full-Length Practice Exams.
by Martin Kings
- Price$46.29
- Rating4.7
- Reviews7
-
HESI A2 Study Guide 2026–2027 for Nursing : Complete Review with 1,000+ Practice Questions, Full-Length Practice Tests, and Detailed Answer Explanations for the HESI Admission Assessment Exam.
by Martin Kings
- Price$9.99
- Rating5.0
- Reviews5
-
ALEKS Math Placement Test Prep 2026-2027 : The Complete math Guide for beginners with 2000+ Practice Questions, Step-by-Step Solutions to Skip Remedial Math and Place Into College-Level Courses
by Martin Kings
- Price$1.99
- Rating5.0
- Reviews7
-
CRRN Exam Study Guide 2026–2027: Pass the Certified Rehabilitation Registered Nurse Exam in 14 Days | Structured Review of All ARN Domains, Clinical Pearls, Practice Questions.
by Martin Kings
- Price$39.99
- Rating4.6
- Reviews3
-
Fundamentals of Surveying FS & PS Exam Prep : Complete Study Guide 800+ CBT Practice Problems with Full Distractor Analysis, NCEES Blueprint Coverage, and Step-by-Step Solutions.
by Martin Kings
- Price$29.99
- Rating5.0
- Reviews4
-
CEN Study Guide 2026-2027: Certified Emergency Nurse Exam prep for BUSY NURSES with 1,000+ Practice Questions, High yield Review, Full Answer Rationales & Timed Practice Exams —Aligned to the 2026 BC
by Martin Kings
- Price$0.99
- Reviews-
- Published2026-07
Main categories
FAQ
How many books does Martin Kings have on Amazon?
KDPTop tracks 74 of their books; 29 made an Amazon list in the last 30 days.
Which categories does Martin Kings publish in?
Their books chart most often in Testing, Study & Test-Taking Skills, Graduate School.
How does Martin Kings price their books?
The median price is $15.99; half of the books cost $10.99–$33.35.
Has Martin Kings released new books recently?
9 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.