KDP categories · Top KDP authors
Extraction & Processing: Amazon KDP category data
Amazon Books Best Sellers data for Extraction & Processing, updated Nov 2, 2026: median price $111, median 4 reviews, average rating 4.4 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $70.73 – $172 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Materials & Material Science (59), one of the easier corners under it.
- At $111 its median price beats 99% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 92% of Books categories: the median best seller has only 4 reviews, so new books can chart with few.
Top 10 Extraction & Processing best sellers
-
The World in a Grain: The Story of Sand and How It Transformed Civilization
by Vince Beiser
- List rank#1
- Price$12.99
- Rating4.5
- Reviews531
-
FUNDAMENTALS OF MINING ENGINEERING: Principles, Design, and Practice for the Modern Mine
by Inspired-Minds Publishing Press
- List rank#2
- Price$121
- Rating5.0
- Reviews1
-
Materials Processing by Cluster Ion Beams: History, Technology, and Applications
by Isao Yamada
- List rank#3
- Price$70.99
- Rating5.0
- Reviews1
-
Materials Selection in Mechanical Design
by Michael F. Ashby
- List rank#4
- Price$62.99
- Rating4.6
- Reviews93
-
Principles of Plasma Discharges and Materials Processing
by Michael A. Lieberman
- List rank#5
- Price$99.44
- Rating4.6
- Reviews9
-
Aerospace Manufacturing Processes
by Pradip K. Saha
- List rank#6
- Price$49.93
- Rating4.3
- Reviews11
-
Solid Rocket Propellants: Science and Technology Challenges
by Haridwar Singh
- List rank#7
- Price$39.06
- Rating3.6
- Reviews3
-
API 570 Piping Inspector Exam Prep 2026-2027: ASME B31.3 Process Piping, Damage Mechanisms, Calculations & 250+ Practice Questions for the API ICP ... & Inspection Certification Exam Prep)
by Kuon Dynamics
- List rank#8
- Price$54.98
- Reviews-
-
Handbook of Heat Transfer
by Warren Rohsenow
- List rank#9
- Price$163
- Rating4.2
- Reviews10
-
Handbook of Lapping and Polishing (Manufacturing Engineering and Materials Processing)
by Ioan D. Marinescu
- List rank#10
- Price$350
- Reviews-
FAQ
Is Extraction & Processing a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $111.
How many reviews do you need to rank in Extraction & Processing?
The median best seller has 4 reviews, and 98% of them have fewer than 100.
What do Extraction & Processing best sellers cost?
The median price is $111; half of the best sellers are priced between $70.73 and $172.
Can new books break into Extraction & Processing?
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.