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Otto Wagner: Amazon KDP author data
As of Nov 6, 2026, Otto Wagner has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #1), mostly in Caving & Spelunking, Swimming, Scuba Diving.
| Median price | $25.42 |
|---|---|
| Price range (middle 50%) | $17.99 – $35.39 |
| Median reviews | 62 |
| Total reviews | 514 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $25.42, 53% above the median of their main category, Caving & Spelunking.
Otto Wagner's best-ranked books
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Reef Smart Guides Bonaire (Second Edition): Scuba Dive. Snorkel. Surf. (Best Netherlands' Bonaire Diving Spots, Scuba Diving Travel Guide)
by Otto Wagner
- Price$42.99
- Rating5.0
- Reviews28
- Published2025-10
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Reef Smart Guides Bonaire: Scuba Dive. Snorkel. Surf. (Best Netherlands' Bonaire Diving Spots, Scuba Diving Travel Guide)
by Otto Wagner
- Price$32.85
- Rating4.9
- Reviews363
- Published2018-12
-
Reef Smart Guides Grand Cayman: (Best Diving Spots)
by Otto Wagner
- Price$17.99
- Rating4.8
- Reviews55
- Published2020-10
-
Reef Smart Guides Florida: Fort Lauderdale, Pompano Beach and Deerfield Beach: Scuba Dive. Snorkel. Surf. (Best Diving Spots in Florida)
by Otto Wagner
- Price$17.99
- Rating4.5
- Reviews68
- Published2018-11
Main categories
FAQ
How many books does Otto Wagner have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Otto Wagner publish in?
Their books chart most often in Caving & Spelunking, Swimming, Scuba Diving.
How does Otto Wagner price their books?
The median price is $25.42; half of the books cost $17.99–$35.39.
Has Otto Wagner 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.