KDP categories · Top KDP authors
Paul Humann: Amazon KDP author data
As of Nov 6, 2026, Paul Humann has 13 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #1), mostly in Scuba, Coral Reefs, Marine Life.
| Median price | $31.99 |
|---|---|
| Price range (middle 50%) | $12.95 – $38.98 |
| Median reviews | 161 |
| Total reviews | 2,276 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
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 $31.99, 110% above the median of their main category, Scuba.
Paul Humann's best-ranked books
-
Reef Fish Identification Tropical Pacific 2nd Edition
by Paul Humann
- Price$39.41
- Rating4.8
- Reviews239
-
Reef Fish Identification - Florida Caribbean Bahamas - 4th Edition (Reef Set)
by Paul Humann
- Price$25.69
- Rating4.9
- Reviews658
- Published2024-10
-
Reef Creature Identification Tropical Pacific
by Paul Humann
- Price$34.14
- Rating4.8
- Reviews225
-
Snorkeling Guide to Marine Life Florida, Caribbean, Bahamas
by Paul Humann
- Price$10.33
- Rating4.6
- Reviews161
-
Reef Fish Identification: Baja to Panama
by Paul Humann
- Price$31.99
- Rating4.8
- Reviews110
-
Reef Coral Identification: Florida, Caribbean, Bahamas 3rd Edition (Reef Set (New World))
by Paul Humann
- Price$34.78
- Rating4.8
- Reviews194
-
Reef Creature Identification - Florida Caribbean Bahamas - 3rd Edition (Reef Set (New World))
by Paul Humann
- Price$41.89
- Rating4.9
- Reviews267
-
Reef Fish Identification: Galapagos
by Paul Humann
- Price$25.64
- Rating4.7
- Reviews64
-
Reef Fish In A Pocket - Florida Caribbean Bahamas
by Paul Humann
- Price$12.95
- Rating4.1
- Reviews42
-
The Reef Set: Reef Fish, Reef Creature and Reef Coral (3 Volumes)
by Paul Humann
- Price$135
- Rating4.8
- Reviews231
Main categories
FAQ
How many books does Paul Humann have on Amazon?
KDPTop tracks 13 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Paul Humann publish in?
Their books chart most often in Scuba, Coral Reefs, Marine Life.
How does Paul Humann price their books?
The median price is $31.99; half of the books cost $12.95–$38.98.
Has Paul Humann 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.