KDP categories · Top KDP authors
Northgate Test Prep: Amazon KDP author data
As of Nov 6, 2026, Northgate Test Prep has 8 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #7), mostly in Assessment, College & University, Counseling.
| Median price | $0.52 |
|---|---|
| Price range (middle 50%) | $0.52 – $10.58 |
| Median reviews | 1 |
| Total reviews | 1 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 2 |
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 $0.52, 97% below the median of their main category, Assessment.
- 4 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Northgate Test Prep's best-ranked books
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SIE Exam Prep 2026-2027: The Ultimate Practice Guide to the FINRA SIE Exam, Packed with 2000+ Questions, Detailed Answer Explanations, and Proven Strategies for Success
by Northgate Test Prep
- Price$0.52
- Reviews-
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Princeton Review Digital SAT Premium Prep: : Advanced Digital SAT Preparation with Realistic Practice Tests, Expert Strategies, and Essential Skills Review for Top Scores
by Northgate Test Prep
- Price$0.52
- Reviews-
- Published2026-09
-
ACT Test Prep: Comprehensive Review, Practice Questions, Full-Length Exams, and Proven Strategies to Maximize Your ACT Score
by Northgate Test Prep
- Price$0.52
- Reviews-
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SAT Test Prep: Complete Study Guide with Practice Questions, Proven Test Strategies, and Full-Length Practice Exams to Achieve a Higher Score
by Northgate Test Prep
- Price$0.52
- Rating2.0
- Reviews1
- Published2026-06
-
ATI TEAS 7 Study Guide 2026: Updated Exam Prep with Practice Tests, Detailed Explanations, and Proven Strategies to Help You Succeed on Test Day
by Northgate Test Prep
- Price$0.52
- Reviews-
-
GED Test Prep Plus: Complete Study Guide with Full-Length Practice Exams, Step-by-Step Lessons, and Essential Test-Taking Strategies to Pass with Confidence
by Northgate Test Prep
- Price$0.51
- Reviews-
-
SIE Exam Prep 2026-2027: The Ultimate Practice Guide to the FINRA SIE Exam, Packed with 2000+ Questions, Detailed Answer Explanations, and Proven Strategies for Success
by Northgate Test Prep
- Price$40.77
- Reviews-
-
SIE Exam Prep 2026-2027: The Ultimate Practice Guide to the FINRA SIE Exam, Packed with 2000+ Questions, Detailed Answer Explanations, and Proven Strategies for Success
by Northgate Test Prep
- Price$44.48
- Reviews-
Main categories
FAQ
How many books does Northgate Test Prep have on Amazon?
KDPTop tracks 8 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Northgate Test Prep publish in?
Their books chart most often in Assessment, College & University, Counseling.
How does Northgate Test Prep price their books?
The median price is $0.52; half of the books cost $0.52–$10.58.
Has Northgate Test Prep released new books recently?
4 new books in the last 30 days, 2 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.