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Bob Lynch: Amazon KDP author data
As of Nov 6, 2026, Bob Lynch has 3 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #7), mostly in Rocks & Minerals, Geology, Mountain.
3Books on Amazon
3Listed in 30 days
4.7Average rating
| Median price | $11.43 |
|---|---|
| Price range (middle 50%) | $10.90 – $15.64 |
| Median reviews | 336 |
| Total reviews | 993 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $11.43, 29% below the median of their main category, Rocks & Minerals.
Bob Lynch's best-ranked books
-
Arizona Rocks & Minerals: A Field Guide to the Grand Canyon State (Rocks & Minerals Identification Guides)
by Bob Lynch
- Price$11.43
- Rating4.7
- Reviews478
-
Minnesota Rocks & Minerals: A Field Guide to the Land of 10,000 Lakes (Rocks & Minerals Identification Guides)
by Bob Lynch
- Price$10.37
- Rating4.8
- Reviews336
- Published2011-07
-
Agates of Lake Superior: Stunning Varieties and How They Are Formed
by Bob Lynch
- Price$19.85
- Rating4.7
- Reviews179
Main categories
FAQ
How many books does Bob Lynch have on Amazon?
KDPTop tracks 3 of their books; 3 made an Amazon list in the last 30 days.
Which categories does Bob Lynch publish in?
Their books chart most often in Rocks & Minerals, Geology, Mountain.
How does Bob Lynch price their books?
The median price is $11.43; half of the books cost $10.90–$15.64.
Has Bob Lynch 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.