KDP categories · Top KDP authors
Engineering (Physics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Engineering (Physics, Books), updated Nov 3, 2026: median price $16.95, median 2 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $9.83 – $30.74 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 15% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Physics (1,850), one of the easier corners under it.
- Its review barrier is lower than in 96% of Books categories: the median best seller has only 2 reviews, so new books can chart with few.
- 15% of its best sellers came out in the last 90 days, more than in 80% of Books categories: readers here keep buying new titles.
Top 10 Engineering best sellers
-
Quantum Physics for Beginners: From Wave Theory to Quantum Computing. Understanding How Everything Works by a Simplified Explanation of Quantum Physics and Mechanics Principles
by Carl J. Pratt
- List rank#1
- Price$15.95
- Rating4.4
- Reviews2,196
-
Journeyman Electrician Exam Prep Study Guide: All-in-one Handbook to Pass the Test with Confidence
by MS Publications
- List rank#2
- Price$36.97
- Rating4.3
- Reviews509
-
Energy Without Limits: Practical Guide to Energy Independence Magnetic Generators and Off-Grid Systems for RVs, Cabins, Emergencies and Remote Living
by IL BAZ
- List rank#3
- Price$24.99
- Rating3.0
- Reviews3
-
Journeyman Electrician Exam Success: Electrical License Exam Prep: 1000+ Practice Questions, Detailed Explanations, Full-Length Exams - All-in-one NEC Test Prep Study Guide
by Apex AR
- List rank#4
- Price$37.12
- Rating4.5
- Reviews205
-
HVAC Duct Design and Load Calculation Manual: Sizing Heating and Cooling Equipment, Airflow, and Ductwork for Residential and Commercial Buildings
by Carmen L. Morgan
- List rank#5
- Price$69.99
- Rating5.0
- Reviews3
-
Everybody Hertz: The Amazing World of Frequency, from Bad Vibes to Good Vibrations
by Richard Mainwaring
- List rank#6
- Price$24.31
- Rating4.5
- Reviews31
-
Handbook of Mathematical Methods for Physics and Engineering: Vector Calculus, Complex Analysis, and Differential Equations for Technical Problem Solving
by Kenneth V. Long
- List rank#7
- Price$54.24
- Rating4.8
- Reviews5
-
Graph Paper Notebook - 5x5 Grid - 8.5 x 11 - 100 Pages: Quadrille Composition Book for Math, Science & Engineering Students, School & Work - Quad Ruled 5 Squares per Inch - Slate Blue
by Pebble Prints
- List rank#8
- Price$6.99
- Rating4.8
- Reviews8
-
How to be Good at Science, Technology and Engineering Workbook 1, Ages 7-11 (Key Stage 2): The Simplest-Ever Visual Workbook
by D.K. Publishing
- List rank#9
- Price$21.73
- Rating4.6
- Reviews45
-
Graph Paper Notebook - 5x5 Grid - 8.5 x 11 - 100 Pages: Quadrille Composition Book for Math, Science & Engineering Students, School & Work - Quad Ruled 5 Squares per Inch - Sage Green
by Pebble Prints
- List rank#10
- Price$6.99
- Rating4.8
- Reviews32
FAQ
Is Engineering a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 2 reviews and sells for $16.95.
How many reviews do you need to rank in Engineering?
The median best seller has 2 reviews, and 94% of them have fewer than 100.
What do Engineering best sellers cost?
The median price is $16.95; half of the best sellers are priced between $9.83 and $30.74.
Can new books break into Engineering?
15% 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.