KDP categories · Top KDP authors
Thin Films, Surfaces & Interfaces: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Thin Films, Surfaces & Interfaces, updated Nov 2, 2026: median price $69.99, median 1 reviews, average rating 4.7 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $29.95 – $123 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 5% |
| Books on the list | 75 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 11% of the parent category Materials Science (10), one of the easier corners under it.
- Its review barrier is lower than in 98% of Kindle eBooks categories: the median best seller has only 1 reviews, so new books can chart with few.
- At $69.99 its median price beats 99% of Kindle eBooks categories, leaving more margin per copy.
Top 10 Thin Films, Surfaces & Interfaces best sellers
-
Electrochemistry for Corrosion Fundamentals (SpringerBriefs in Molecular Science)
by Toshiaki Ohtsuka
- List rank#1
- Price$54.99
- Reviews-
-
Materials Science - Book 9: 300+ Questions & Answers
- List rank#2
- Price$3.99
- Reviews-
-
Thin-Film Optical Filters (Series in Optics and Optoelectronics)
by H. Angus Macleod
- List rank#3
- Price$56.79
- Reviews-
-
Materials Characterization – Book 7: 250+ Questions & Answers
- List rank#4
- Price$4.99
- Rating5.0
- Reviews3
-
Materials Characterization – Book 8: 250+ Questions & Answers
- List rank#5
- Price$4.99
- Rating5.0
- Reviews3
-
Materials Characterization – Book 6: Questions & Answers
- List rank#6
- Price$7.99
- Rating5.0
- Reviews4
-
The Six Dimensions of Biological Design: A Framework for Biomimetic Thinking
by Amitabha Lahiri
- List rank#7
- Price$5
- Rating5.0
- Reviews3
-
Sticky: The Secret Science of Surfaces
by Laurie Winkless
- List rank#8
- Price$13.59
- Rating4.4
- Reviews71
-
Physics and Chemistry of Interfaces
by Hans-Jürgen Butt
- List rank#9
- Price$68
- Rating5.0
- Reviews1
-
Fundamentals of Inkjet Printing: The Science of Inkjet and Droplets
by Stephen D. Hoath
- List rank#10
- Price$90
- Rating4.7
- Reviews7
FAQ
Is Thin Films, Surfaces & Interfaces a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 1 reviews and sells for $69.99.
How many reviews do you need to rank in Thin Films, Surfaces & Interfaces?
The median best seller has 1 reviews, and 100% of them have fewer than 100.
What do Thin Films, Surfaces & Interfaces best sellers cost?
The median price is $69.99; half of the best sellers are priced between $29.95 and $123.
Can new books break into Thin Films, Surfaces & Interfaces?
5% of the current best sellers were released in the last 90 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.