KDP categories · Top KDP authors
How Things Work (Technology, Books): Amazon KDP category data
Amazon Books Best Sellers data for How Things Work (Technology, Books), updated Nov 2, 2026: median price $14.98, median 18 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $11.99 – $18.66 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 16% of the parent category Technology (109), one of the easier corners under it.
- Its review barrier is lower than in 75% of Books categories: the median best seller has only 18 reviews, so new books can chart with few.
Top 10 How Things Work best sellers
-
The Unordinary Book of Ideas: Everywhen Projects for Rainy Days (Offline Books)
by Half-Asleep Chris
- List rank#1
- Price$27.95
- Rating5.0
- Reviews21
-
How Cars Work. An Illustrated Guide for Curious Kids, Teens, and Beginners: Discover Engines, Brakes, Gears, and More with Fun Diagrams and Easy Explanations!
by Peter Renson
- List rank#2
- Price$18.35
- Rating4.8
- Reviews284
-
How Things Work: The Human Body, Plants, Animals, Seasons, Electricity, Computers, Smartphones, Flight, Architecture, Recycling, and More!
by Jamie Thorne
- List rank#3
- Price$10.77
- Rating4.5
- Reviews182
-
![Science Essentials: Science Made Easy Boxed Set [Box Set of 6 Books] / Illustrated Science book cover by Wonder House Books](https://images-na.ssl-images-amazon.com/images/I/81JNhoESzPL._AC_UL300_SR300,200_.jpg)
Science Essentials: Science Made Easy Boxed Set [Box Set of 6 Books] / Illustrated Science Book for Kids / Simplified Concepts of Science / Kids’ Book
- List rank#4
- Price$39.99
- Rating4.4
- Reviews55
-
A Teenager's Guide to Investing in the Stock Market: Invest Hard Now | Play Hard Later (Invest Now Play Later Series)
by Luke Villermin
- List rank#5
- Price$12.99
- Rating4.6
- Reviews966
-
Underground: An Illustrated Journey Through City Infrastructure and How Systems Work for Kids (Ages 8-12)
- List rank#6
- Price$11.49
- Rating4.6
- Reviews323
-
Science Knowledge Encyclopedia for Children : Collection of 6 Books (Box Set)
- List rank#7
- Price$34.99
- Rating4.6
- Reviews869
-
The Big Book of How Things Work: Fully Illustrated Answers to Machines, Gadgets, Science, Nature, Space, and Everyday Life (Young Explorer Series)
- List rank#8
- Price$14.97
- Rating4.2
- Reviews57
-
Unbuilding (Sandpiper)
- List rank#9
- Price$3.99
- Rating4.4
- Reviews98
-
Cathedral: The Story of Its Construction, Revised and in Full Color
- List rank#10
- Price$19.99
- Rating4.4
- Reviews252
FAQ
Is How Things Work a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 18 reviews and sells for $14.98.
How many reviews do you need to rank in How Things Work?
The median best seller has 18 reviews, and 76% of them have fewer than 100.
What do How Things Work best sellers cost?
The median price is $14.98; half of the best sellers are priced between $11.99 and $18.66.
Can new books break into How Things Work?
10% 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.