KDP categories · Top KDP authors
Sudipta Bardhan-Quallen: Amazon KDP author data
As of Nov 6, 2026, Sudipta Bardhan-Quallen has 27 books on Amazon, 17 of them on a best-seller list in the last 30 days (best rank #1), mostly in Mermaids & Mermen, Mermaids, Science & Technology.
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $11.98 |
| Median reviews | 92 |
| Total reviews | 5,499 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 63% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $6.99, 40% above the median of their main category, Mermaids & Mermen.
Sudipta Bardhan-Quallen's best-ranked books
-
Splatypus
by Sudipta Bardhan-Quallen
- Price$1.99
- Rating4.6
- Reviews257
-
Jane Goodall (Up Close)
by Sudipta Bardhan-Quallen
- Price$7.99
- Rating4.7
- Reviews15
-
Orangutangled
by Sudipta Bardhan-Quallen
- Price$3.99
- Rating4.6
- Reviews336
-
Jane Goodall (Up Close)
by Sudipta Bardhan-Quallen
- Price-
- Rating4.7
- Reviews15
-
Purrmaids #2: The Catfish Club
by Sudipta Bardhan-Quallen
- Price$6.99
- Rating4.8
- Reviews662
-
Quackenstein Hatches a Family
by Sudipta Bardhan-Quallen
- Price$3.99
- Rating4.7
- Reviews99
-
Purrmaids #3: Seasick Sea Horse
by Sudipta Bardhan-Quallen
- Price$3.99
- Rating4.8
- Reviews676
-
Purrmaids #15: Olympic Shell-ebration
by Sudipta Bardhan-Quallen
- Price$5.20
- Rating5.0
- Reviews21
-
Purrmaids #1: The Scaredy Cat
by Sudipta Bardhan-Quallen
- Price$5.99
- Rating4.8
- Reviews642
-
Purrmaids #1: The Scaredy Cat
by Sudipta Bardhan-Quallen
- Price$6.13
- Rating4.8
- Reviews642
- Published2017-09
Main categories
FAQ
How many books does Sudipta Bardhan-Quallen have on Amazon?
KDPTop tracks 27 of their books; 17 made an Amazon list in the last 30 days.
Which categories does Sudipta Bardhan-Quallen publish in?
Their books chart most often in Mermaids & Mermen, Mermaids, Science & Technology.
How does Sudipta Bardhan-Quallen price their books?
The median price is $6.99; half of the books cost $5.99–$11.98.
Has Sudipta Bardhan-Quallen released new books recently?
1 new book 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.