KDP categories · Top KDP authors
How Things Work (Health, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for How Things Work (Health, Kindle eBooks), updated Nov 3, 2026: median price $6.99, median 14 reviews, average rating 4.4 and a KDPTop opportunity score of 35/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.15 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 23% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 11% of the parent category Health (133), one of the easier corners under it.
- 23% of its best sellers came out in the last 90 days, more than in 90% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is lower than in 77% of Kindle eBooks categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 How Things Work best sellers
-
WHERE DOES THE INTERNET LIVE?: Step Inside the Amazing World of Data Centers (Hidden Journeys)
by Vellorim Publishing
- List rank#1
- Price$6.99
- Reviews-
-
Balloons over Broadway: The True Story of the Puppeteer of Macy's Parade (Bank Street College of Education Flora Stieglitz Straus Award (Awards))
- List rank#2
- Price$1.99
- Rating4.8
- Reviews2,256
-
Playing Roblox (21st Century Skills Innovation Library: Unofficial Guides Junior)
by Josh Gregory
- List rank#3
- Price$12.79
- Rating3.0
- Reviews1
-
Technology Is Awesome!: 101 Incredible Things Every Kid Should Know
by Alice Harman
- List rank#4
- Price$3.99
- Rating4.5
- Reviews2
-
Minecraft: Guide to Building (21st Century Skills Innovation Library: Unofficial Guides)
by Josh Gregory
- List rank#5
- Price$13.50
- Rating3.8
- Reviews13
-
How Roblox Was Made (21st Century Skills Innovation Library: Unofficial Guides Junior)
by Josh Gregory
- List rank#6
- Price$12.79
- Rating5.0
- Reviews2
-
Games and Genres in Roblox (21st Century Skills Innovation Library: Unofficial Guides Junior)
by Josh Gregory
- List rank#7
- Price$12.79
- Rating5.0
- Reviews1
-
Playing Fortnite (21st Century Skills Innovation Library: Unofficial Guides Junior)
by Josh Gregory
- List rank#8
- Price$12.79
- Rating5.0
- Reviews1
-
Weird Inventions (Anything But Ordinary)
by Jennifer Kaul
- List rank#9
- Price$8.99
- Rating4.5
- Reviews2
-
The Ultimate Book of Random Fun Facts: Over 1000 Interesting Facts And Trivia Quizzes About History, Science, Sports, Animals, Space and Anything In Between!
by Bill O'Neill
- List rank#10
- Price$4.99
- Rating4.6
- Reviews2,483
Same niche in Books: How Things Work
FAQ
Is How Things Work a good niche for Amazon KDP?
Its KDPTop opportunity score is 35/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $6.99.
How many reviews do you need to rank in How Things Work?
The median best seller has 14 reviews, and 71% of them have fewer than 100.
What do How Things Work best sellers cost?
The median price is $6.99; half of the best sellers are priced between $3.99 and $12.15.
Can new books break into How Things Work?
23% 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.