KDP categories · Top KDP authors
Brain Hunter Prep: Amazon KDP author data
As of Nov 6, 2026, Brain Hunter Prep has 11 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #1), mostly in Algebra & Trigonometry, Algebra, History & Theory.
| Median price | $14.99 |
|---|---|
| Price range (middle 50%) | $14.92 – $18.14 |
| Median reviews | 52 |
| Total reviews | 4,074 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 55% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $14.99, 40% below the median of their main category, Algebra & Trigonometry.
Brain Hunter Prep's best-ranked books
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Math Practice Workbook Grades 6-8: 1000+ Questions You Need to Kill in Middle School by Brain Hunter Prep (Arithmetic, Algebra, Geometry, Measurement, ... more in Kill It Series by Brain Hunter Prep)
by Brain Hunter Prep
- Price$24.99
- Rating4.2
- Reviews1,492
- Published2020-02
-
Math Practice Workbook Grades 4-5: 1000+ Questions You Need to Kill in Elementary School by Brain Hunter Prep (Arithmetic, Algebra, Geometry, ... more in Kill It Series by Brain Hunter Prep)
by Brain Hunter Prep
- Price$19.99
- Rating4.4
- Reviews639
-
Math Practice Workbook: ALGEBRA 1: 2000+ Questions You Need to Kill in High School by Brain Hunter Prep (Algebra 1 Workbooks Series)
by Brain Hunter Prep
- Price$18.14
- Rating4.4
- Reviews206
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Math Practice Workbook: PRE-ALGEBRA: 1400+ Questions You Need to Kill in Middle and High School by Brain Hunter Prep | Essential Prealgebra Skills Practice Workbook
by Brain Hunter Prep
- Price$14.99
- Rating4.1
- Reviews37
-
Math Practice Workbook Grades 6-8: 1000+ Questions You Need to Kill in Middle School by Brain Hunter Prep
by Brain Hunter Prep
- Price$15.18
- Rating4.2
- Reviews1,492
-
ALGEBRA Math Practice Workbook: 2000+ Questions You Need to Kill in High School by Brain Hunter Prep
by Brain Hunter Prep
- Price$18.15
- Reviews-
-
Summer Activity Playground Grade 7-8: 8 Weeks of Summer Activities - Math, ELA, Science, Reading and Social Studies
by Brain Hunter Prep
- Price$12.98
- Rating4.4
- Reviews54
- Published2020-03
-
Math Practice Workbook: TRIGONOMETRY: Essential Review Trigonometry Practice Workbook with Answers | 1500+ Questions You Need to Kill in High School by Brain Hunter Prep
by Brain Hunter Prep
- Price$14.92
- Rating4.4
- Reviews51
-
Summer Activity Playground Grade 5-6: 8 Weeks of Summer Activities - Math, ELA, Science, Reading and Social Studies
by Brain Hunter Prep
- Price$14.38
- Rating4.4
- Reviews43
- Published2020-02
-
Summer Activity Playground Grade 6-7: 8 Weeks of Summer Activities - Math, ELA, Science, Reading and Social Studies
by Brain Hunter Prep
- Price$14.92
- Rating3.9
- Reviews42
- Published2020-03
Main categories
FAQ
How many books does Brain Hunter Prep have on Amazon?
KDPTop tracks 11 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Brain Hunter Prep publish in?
Their books chart most often in Algebra & Trigonometry, Algebra, History & Theory.
How does Brain Hunter Prep price their books?
The median price is $14.99; half of the books cost $14.92–$18.14.
Has Brain Hunter Prep released new books recently?
0 new books in the last 30 days.
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.