KDP categories · Top KDP authors
Parker Hollis: Amazon KDP author data
As of Nov 6, 2026, Parker Hollis has 11 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #28), mostly in Construction, Study & Test-Taking Skills, Design & Construction.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $12.99 – $24.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 11 |
| Breakout books (30 days) | 6 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.99, 41% below the median of their main category, Construction.
- 11 new books in the last 30 days, 6 of them broke into a Best Sellers list.
Parker Hollis's best-ranked books
-
ICC P2 Exam Prep: Commercial Plumbing Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$12.99
- Reviews-
-
Backflow Tester Certification: How to Become a Certified Backflow Tester: ASSE 5110, Training Classes, the Practical Exam, Test Kits, Recertification, and the Cross-Connection Control Trade
by Parker Hollis
- Price$12.99
- Reviews-
-
ICC P1 Exam Prep: Residential Plumbing Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$12.99
- Reviews-
-
Pesticide Applicator License Study Guide: Private and Commercial Categories, Restricted Use Rules, Calibration Math, Recordkeeping, and Every State Lead Agency, Built on 40 CFR Part 171
by Parker Hollis
- Price$12.99
- Reviews-
- Published2026-09
-
Backflow Tester Certification: How to Become a Certified Backflow Tester: ASSE 5110, Training Classes, the Practical Exam, Test Kits, Recertification, and the Cross-Connection Control Trade
by Parker Hollis
- Price$24.99
- Reviews-
- Published2026-09
-
ICC M2 Exam Prep: Commercial Mechanical Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$24.99
- Reviews-
-
ICC B1 Exam Prep: Residential Building Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$12.99
- Reviews-
-
ICC E1 Exam Prep: Residential Electrical Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$12.26
- Reviews-
-
ICC E2 Exam Prep: Commercial Electrical Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$12.99
- Reviews-
-
ICC E2 Exam Prep: Commercial Electrical Inspector: An Unofficial Open-Book Speed Method for Fast Code Lookups, Tabbing, Timed Drills, and Passing on Your First Attempt
by Parker Hollis
- Price$24.99
- Reviews-
Main categories
FAQ
How many books does Parker Hollis have on Amazon?
KDPTop tracks 11 of their books; 11 made an Amazon list in the last 30 days.
Which categories does Parker Hollis publish in?
Their books chart most often in Construction, Study & Test-Taking Skills, Design & Construction.
How does Parker Hollis price their books?
The median price is $12.99; half of the books cost $12.99–$24.99.
Has Parker Hollis released new books recently?
11 new books in the last 30 days, 6 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.