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Mari Collier: Amazon KDP author data
As of Nov 6, 2026, Mari Collier has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #41), mostly in Space Exploration, First Contact, Galactic Empire.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $2.99 |
| Median reviews | 377 |
| Total reviews | 896 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $2.99, 40% below the median of their main category, Space Exploration.
Mari Collier's best-ranked books
-
Gather The Children (Chronicles of the Maca Book 2)
by Mari Collier
- Price$2.99
- Rating4.5
- Reviews121
-
Earthbound (Chronicles of the Maca Book 1)
by Mari Collier
- Price$0
- Rating4.1
- Reviews398
- Published2015-02
-
Man, True Man (The Chronicles of Tonath Book 1)
by Mari Collier
- Price$0
- Rating4.1
- Reviews377
- Published2015-03
Main categories
FAQ
How many books does Mari Collier have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Mari Collier publish in?
Their books chart most often in Space Exploration, First Contact, Galactic Empire.
How does Mari Collier price their books?
The median price is $2.99; half of the books cost $2.99–$2.99.
Has Mari Collier 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.