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Otto Wunder: Amazon KDP author data
As of Nov 6, 2026, Otto Wunder has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #21), mostly in Children's, How Things Work, Mystery & Wonders.
| Median price | $13.99 |
|---|---|
| Price range (middle 50%) | $12.24 – $15.97 |
| Median reviews | 17 |
| Total reviews | 68 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 1 |
What stands out
- 4 new books in the last 30 days, 1 of them broke into a Best Sellers list.
Otto Wunder's best-ranked books
-
The Big Book of What If?: 100 Science Questions & Answers for Kids Ages 7–12 — Mind-Blowing Facts, Amazing Science & How Things Work (Curious Kids Encyclopedias 2)
by Otto Wunder
- Price$9.99
- Rating4.8
- Reviews21
- Published2026-08
-
The Big Book of What If?: 100 Science Questions & Answers for Kids Ages 7–12 — Mind-Blowing Facts, Amazing Science & How Things Work (Curious Kids Encyclopedias)
by Otto Wunder
- Price$14.99
- Rating4.8
- Reviews21
-
The Big Book of How & Why: A Visual Encyclopedia for Curious Kids Ages 6-10: 101 Questions & Answers About Science, Space, Animals, the Human Body, ... How Things Work (Curious Kids Encyclopedias)
by Otto Wunder
- Price$18.92
- Rating4.9
- Reviews13
-
The Big Book of How & Why: A Visual Encyclopedia for Curious Kids Ages 6–10: 101 Questions & Answers About Science, Space, Animals, Human Body, Machines, ... Things Work (Curious Kids Encyclopedias 1)
by Otto Wunder
- Price$12.99
- Rating4.9
- Reviews13
- Published2026-08
Main categories
FAQ
How many books does Otto Wunder have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Otto Wunder publish in?
Their books chart most often in Children's, How Things Work, Mystery & Wonders.
How does Otto Wunder price their books?
The median price is $13.99; half of the books cost $12.24–$15.97.
Has Otto Wunder released new books recently?
4 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.