KDP categories · Top KDP authors
Metals & Alloys: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Metals & Alloys, updated Nov 2, 2026: median price $9.99, median 3 reviews, average rating 4.4 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $54.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is lower than in 92% of Kindle eBooks categories: the median best seller has only 3 reviews, so new books can chart with few.
- Its median reviews are 32% of the parent category Materials Science (10), one of the easier corners under it.
- Prices spread wide: the middle half runs from $6.99 to $54.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Metals & Alloys best sellers
-
Welding For Dummies
by Steven Robert Farnsworth
- List rank#1
- Price$17
- Rating4.5
- Reviews345
-
Steel: The Metal That Made Everything: The Secret History of the World’s Most Essential Material (Raw Material)
by Owen Briggs
- List rank#2
- Price$4.99
- Rating4.5
- Reviews2
-
Skilletheads: A Guide to Collecting and Restoring Cast-Iron Cookware
by Ashley L. Jones
- List rank#3
- Price$20.01
- Rating4.6
- Reviews63
-
Electrochemistry for Corrosion Fundamentals (SpringerBriefs in Molecular Science)
by Toshiaki Ohtsuka
- List rank#4
- Price$54.99
- Reviews-
-
Rare Earth and Critical Mineral Operations and Processing
by Richard Skiba
- List rank#5
- Price$6.99
- Rating5.0
- Reviews3
-
Basic Metallurgy: A Practicle Guide for Machinists
by J.A. Pintozzi
- List rank#6
- Price$6.99
- Rating3.9
- Reviews6
-
GOLD FORMATION: A Journey Through Earth's Geological Processes
by Nicholas Raymond
- List rank#7
- Price$5.99
- Reviews-
-
The Rare Metals War: the dark side of clean energy and digital technologies
by Guillaume Pitron
- List rank#8
- Price$11.99
- Rating4.4
- Reviews606
-
Rare Earth Metals and Minerals Industries: Status and Prospects (Chemistry and Materials Science)
by Yellapu V Murty
- List rank#9
- Price$79.20
- Rating4.2
- Reviews5
-
Materials Science and Engineering: Fundamentals, Properties, Processing, and Engineering Applications (Mechanical Engineering Mastery Series)
- List rank#10
- Price$3
- Reviews-
FAQ
Is Metals & Alloys a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 3 reviews and sells for $9.99.
How many reviews do you need to rank in Metals & Alloys?
The median best seller has 3 reviews, and 94% of them have fewer than 100.
What do Metals & Alloys best sellers cost?
The median price is $9.99; half of the best sellers are priced between $6.99 and $54.99.
Can new books break into Metals & Alloys?
9% 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.