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Christopher Gillman: Amazon KDP author data
As of Nov 6, 2026, Christopher Gillman has 18 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #25), mostly in Professional, High School Entrance, Prep School.
| Median price | $36.49 |
|---|---|
| Price range (middle 50%) | $33.74 – $38.49 |
| Median reviews | 5 |
| Total reviews | 28 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 4 |
What stands out
- Median price $36.49, 18% above the median of their main category, Professional.
- 6 new books in the last 30 days, 4 of them broke into a Best Sellers list.
Christopher Gillman's best-ranked books
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FACHE Exam Prep 2026-2027: Complete Study Guide for the Board of Governors Examination with 1,200+ Questions, Mock Exams, and Detailed Answer Explanations
by Christopher Gillman
- Price$34.99
- Rating5.0
- Reviews5
-
NHIE Study Guide 2026–2027: Complete Home Inspector Exam Prep with Domain Review, 1,200+ Practice Questions, Detailed Answer Explanations, and 4 Full-Length Practice Tests
by Christopher Gillman
- Price$34.99
- Rating5.0
- Reviews5
-
Hunter College High School Entrance Exam Prep 2027–2028: 1,200+ Practice Questions, 4 Full Practice Tests, and Complete Review for Reading, Quantitative Reasoning, Math Achievement & Essay
by Christopher Gillman
- Price$37.99
- Reviews-
-
Med Surg Certification Exam Prep 2026-2027: Dual Review for the CMSRN and MEDSURG-BC Exams with 1,400+ Practice Questions, Detailed Rationales, and 5 Full-Length Tests
by Christopher Gillman
- Price$39.99
- Rating5.0
- Reviews5
-
TACHS Exam Prep 2026-2027: Complete Study Guide with 1,300 Practice Questions, Full-Length Exam Simulations, and a Strategic Study Plan for Catholic High School Admission
by Christopher Gillman
- Price$29.99
- Rating5.0
- Reviews5
-
PreACT 8/9 STUDY GUIDE 2026–2027: Complete English, Math, Reading & Science Review with 1,200+ Practice Questions, 5 Full-Length Tests, Answer Explanations & Proven Strategies
by Christopher Gillman
- Price-
- Rating5.0
- Reviews4
- Published2026-09
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CHST Study Guide 2026–2027: Construction Health and Safety Technician Exam Prep with 900+ Practice Questions, Answer Explanations, and Test-Taking Strategies
by Christopher Gillman
- Price-
- Rating5.0
- Reviews4
- Published2026-09
-
BCBA Exam Prep 2027–2028: Complete 6th Edition Review of All 9 Domains with 1,200+ Practice Questions, 4 Mock Exams, and Scenario-Based Answer Explanations for Applied Behavior Analysis
by Christopher Gillman
- Price$29.99
- Reviews-
-
NYC MTA Conductor Secrets Study Guide 2026–2027: Exam Prep with 1,200 Practice Questions, 7 Full-Length Mock Tests, Transit Safety, Reading Comprehension, Mathematics & Detailed Answer Explanations
by Christopher Gillman
- Price$39.99
- Reviews-
-
CNE Study Guide 2026–2027: Full Review of All Six Competency Domains with 1,200+ Practice Questions, 5 Practice Tests, Detailed Rationales and Realistic Teaching Scenarios for Nurse Educators
by Christopher Gillman
- Price-
- Reviews-
- Published2026-10
Main categories
FAQ
How many books does Christopher Gillman have on Amazon?
KDPTop tracks 18 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Christopher Gillman publish in?
Their books chart most often in Professional, High School Entrance, Prep School.
How does Christopher Gillman price their books?
The median price is $36.49; half of the books cost $33.74–$38.49.
Has Christopher Gillman released new books recently?
6 new books in the last 30 days, 4 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.