KDP categories · Top KDP authors
Nick Sullivan: Amazon KDP author data
As of Nov 6, 2026, Nick Sullivan has 16 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #1), mostly in Scuba, Scuba Diving, Water Sports.
| Median price | $12.62 |
|---|---|
| Price range (middle 50%) | $5.99 – $14.86 |
| Median reviews | 1,628 |
| Total reviews | 34,636 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 81% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.62, 17% below the median of their main category, Scuba.
Nick Sullivan's best-ranked books
-
Deep Shadow (The Deep Series Book 1)
by Nick Sullivan
- Price$5.99
- Rating4.4
- Reviews5,465
- Published2018-04
-
Deep Roots (The Deep Series Book 3)
by Nick Sullivan
- Price$5.99
- Rating4.5
- Reviews2,474
-
Deep Devil (The Deep Series Book 4)
by Nick Sullivan
- Price$5.99
- Rating4.6
- Reviews1,628
- Published2021-04
-
Deep Cut (The Deep Series Book 2)
by Nick Sullivan
- Price$5.99
- Rating4.5
- Reviews2,729
- Published2019-05
-
Deep Shadow: The Deep Series, Book 1
by Nick Sullivan
- Price$16.13
- Rating4.4
- Reviews5,465
-
Deep Focus (The Deep Series Book 5)
by Nick Sullivan
- Price$5.99
- Rating4.5
- Reviews1,512
- Published2022-01
-
Deep Devil (The Deep Series)
by Nick Sullivan
- Price$13.99
- Rating4.6
- Reviews1,628
-
Deep Cut: The Deep Series, Book 2
by Nick Sullivan
- Price$15.25
- Rating4.5
- Reviews2,725
-
Deep Roots (The Deep Series)
by Nick Sullivan
- Price$12.26
- Rating4.5
- Reviews2,473
-
Deep Hex (The Deep Series Book 6)
by Nick Sullivan
- Price$5.99
- Rating4.6
- Reviews1,331
- Published2023-03
Main categories
FAQ
How many books does Nick Sullivan have on Amazon?
KDPTop tracks 16 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Nick Sullivan publish in?
Their books chart most often in Scuba, Scuba Diving, Water Sports.
How does Nick Sullivan price their books?
The median price is $12.62; half of the books cost $5.99–$14.86.
Has Nick Sullivan 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.