KDP categories · Top KDP authors
Physical (Geology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Physical (Geology, Books), updated Nov 2, 2026: median price $34.15, median 13 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $17.03 – $59.42 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 99 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Geology (307), one of the easier corners under it.
- At $34.15 its median price beats 91% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 79% of Books categories: the median best seller has only 13 reviews, so new books can chart with few.
Top 10 Physical best sellers
-
Graph Paper Notebook 1 Inch Squares: Graph paper for kids large 1 inch squares, (110 pages, 8.5" x 11")
by SABANI PUBLISHING
- List rank#1
- Price$7.99
- Rating4.8
- Reviews76
-
Social Studies Workbook: Grade 1 Special Education and Homeschool Curriculum – Civics, Economics, Geography and History for Kids
by Angela Dansie
- List rank#2
- Price$14.97
- Rating4.3
- Reviews19
-
Below the Edge of Darkness: Exploring Light and Life in the Deep Sea
by Edith Widder
- List rank#3
- Price$15.97
- Rating4.6
- Reviews234
-
Rock Identification Made Easy
by Patrick Nurre
- List rank#4
- Price$26
- Reviews-
-
Mississippi Solo: John Murray Journeys (Overcoming Books)
by Eddy L Harris
- List rank#5
- Price$18.40
- Rating3.4
- Reviews16
-
Laboratory Manual for Physical Geology
by Charles E. Jones
- List rank#6
- Price$135
- Rating4.2
- Reviews114
-
Principles of Geology: The Complete Three Volumes with Original Illustrations
by Sir Charles Lyell
- List rank#7
- Price$24.99
- Rating5.0
- Reviews1
-
Arizona Mineral Districts v. 3 La Paz and Yuma Counties
by Jan C. Rasmussen
- List rank#8
- Price$46.87
- Rating5.0
- Reviews1
-
Wild Light: Scotland's Mountain Landscape
by Craig Aitchison
- List rank#9
- Price$35.25
- Rating4.8
- Reviews72
-
The United States Rocks and Minerals Field Guide: Learn to Identify Rocks and Minerals with Confidence, Tell Look-Alikes Apart & Know Where to Find Them | With Full-Color Images & Quick ID Tips
by Atlas Field Guides
- List rank#10
- Price$24.99
- Rating4.7
- Reviews51
FAQ
Is Physical a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 13 reviews and sells for $34.15.
How many reviews do you need to rank in Physical?
The median best seller has 13 reviews, and 89% of them have fewer than 100.
What do Physical best sellers cost?
The median price is $34.15; half of the best sellers are priced between $17.03 and $59.42.
Can new books break into Physical?
4% 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.