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Obi Kaufmann: Amazon KDP author data
As of Nov 6, 2026, Obi Kaufmann has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #11), mostly in Historical, Forests & Rainforests, Forests & Forestry.
| Median price | $20 |
|---|---|
| Price range (middle 50%) | $16.19 – $31 |
| Median reviews | 68 |
| Total reviews | 837 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Obi Kaufmann's best-ranked books
-
California Inside Out: Mapping an Ecology of Mind
by Obi Kaufmann
- Price$20
- Rating5.0
- Reviews1
- Published2026-10
-
The Coasts of California: A California Field Atlas (The California Lands Trilogy, 2)
by Obi Kaufmann
- Price$31
- Rating4.6
- Reviews68
-
The Deserts of California: A California Field Atlas (The California Lands Trilogy, 3)
by Obi Kaufmann
- Price$31.98
- Rating4.8
- Reviews15
-
The State of Water: Understanding California's Most Precious Resource
by Obi Kaufmann
- Price$15.39
- Rating4.7
- Reviews125
-
The California Field Atlas
by Obi Kaufmann
- Price$22.22
- Rating4.8
- Reviews310
-
The Forests of California: A California Field Atlas (The California Lands Trilogy, 1)
by Obi Kaufmann
- Price$31.99
- Rating4.8
- Reviews165
-
The State of Fire: Why California Burns
by Obi Kaufmann
- Price$16.19
- Rating4.6
- Reviews27
-
The State of Water: Understanding California's Most Precious Resource
by Obi Kaufmann
- Price$13.58
- Rating4.7
- Reviews125
-
California Inside Out: Mapping an Ecology of Mind
by Obi Kaufmann
- Price$19
- Rating5.0
- Reviews1
Main categories
FAQ
How many books does Obi Kaufmann have on Amazon?
KDPTop tracks 9 of their books; 9 made an Amazon list in the last 30 days.
Which categories does Obi Kaufmann publish in?
Their books chart most often in Historical, Forests & Rainforests, Forests & Forestry.
How does Obi Kaufmann price their books?
The median price is $20; half of the books cost $16.19–$31.
Has Obi Kaufmann released new books recently?
2 new books in the last 30 days, 1 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.