KDP categories · Top KDP authors
Photochemistry: Amazon KDP category data
Amazon Books Best Sellers data for Photochemistry, updated Nov 2, 2026: median price $18.99, median 1 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $178 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 0% |
| Books on the list | 39 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Chemistry (564), one of the easier corners under it.
- Only 0% of its best sellers are under 90 days old, fewer than in 99% of Books categories: established titles hold the list.
- Its review barrier is lower than in 99% of Books categories: the median best seller has only 1 reviews, so new books can chart with few.
Top 10 Photochemistry best sellers
-
THE BEAUTY OF CHEMICAL REACTIONS
by Chemicalforce
- List rank#1
- Price$160
- Rating5.0
- Reviews4
-
Modern Molecular Photochemistry of Organic Molecules
by Nicholas J. Turro
- List rank#2
- Price$157
- Rating4.2
- Reviews17
-
Principles of Molecular Photochemistry: An Introduction
by Nicholas J. Turro
- List rank#3
- Price-
- Rating4.1
- Reviews30
-
Quantum Physics for Beginners: An Easy and Complete Physics Book of Its Most Important Theories. Discover the Secrets of Quantum Mechanics from String Theory to Quantum Computing
by Susanne Dam Nygaard
- List rank#4
- Price$9.99
- Rating3.8
- Reviews148
-
O CHEM: VOLUME 4 (ORGANIC CHEMISTRY)
by Place Of Peace Press
- List rank#5
- Price$6.99
- Reviews-
-
Kemetic Naturopathy: Atum the Primordial Mound (TRUE & LIVING KEMETIC SCIENCE)
by Cailiegh Duquesnay
- List rank#6
- Price$16
- Rating5.0
- Reviews2
-
Chemistry Notebook: Organic and Biochemistry Hexagonal Graph Paper Composition Journal | 120 pages, 8" x 11", 1/4 inch hexagons
by Color Doe Smile
- List rank#7
- Price$4.99
- Rating5.0
- Reviews1
-
Molecular reactions and photochemistry (Prentice-Hall foundations of modern organic chemistry series)
- List rank#8
- Price-
- Rating5.0
- Reviews1
-
Behavior of Electrons in Atoms. Structure, Spectra, and Photochemistry of Atoms
by Robin M. Hochstrasser
- List rank#9
- Price-
- Rating5.0
- Reviews2
-
Ultraviolet Disinfection Explained: A Scientific and Technical Manual for UV Germicidal Irradiation to Achieve Cleaner Air, Water, and Surfaces
by JAZIEL LUKAS
- List rank#10
- Price$18.99
- Reviews-
FAQ
Is Photochemistry a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 1 reviews and sells for $18.99.
How many reviews do you need to rank in Photochemistry?
The median best seller has 1 reviews, and 95% of them have fewer than 100.
What do Photochemistry best sellers cost?
The median price is $18.99; half of the best sellers are priced between $6.99 and $178.
Can new books break into Photochemistry?
0% 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.