KDP categories · Top KDP authors
Reference (Activities, Puzzles & Games, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Activities, Puzzles & Games, Kindle eBooks), updated Nov 3, 2026: median price $5.26, median 94 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $3.39 – $11.49 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 22% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 5% of the parent category Activities, Puzzles & Games (1,960), one of the easier corners under it.
- 22% of its best sellers came out in the last 90 days, more than in 89% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $3.39 to $11.49, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
How to Win at Chess: The Ultimate Guide for Beginners and Beyond
by Levy Rozman
- List rank#1
- Price$12.99
- Rating4.8
- Reviews3,958
-
How to Win at Chess, Next Level: The Ultimate Guide for Intermediate Play
by Levy Rozman
- List rank#2
- Price$14.99
- Rating5.0
- Reviews83
-
397 DISTURBING FACTS AND FASCINATING TRUTHS ABOUT OUR WORLD: Shocking, Ironic or Inspiring Pieces of Trivia (Trivia and Quizzes)
by Nayden Kostov
- List rank#3
- Price$4.99
- Rating4.3
- Reviews18
-
Beginner's Guide to American Mah Jongg: How to Play the Game & Win
by Elaine Sandberg
- List rank#4
- Price$8.63
- Rating4.7
- Reviews4,549
-
Learn American Mah Jongg with Ease: Your Step-by-Step Beginner’s Guide to Becoming Game-Ready in Days | Full-Color Edition Updated Every Year with the Latest Card Strategies
by Karen Louise
- List rank#5
- Price$18.95
- Rating4.7
- Reviews952
-
Chess Openings 101: The Step-by-Step Playbook for Beginners and Casual Players
by Gavin T Carlsen
- List rank#6
- Price$0.52
- Rating4.0
- Reviews51
-
True Facts That Sound Like Bull$#*t: World History: 500 Preposterous Facts They Definitely Didn’t Teach You in School (Mind-Blowing True Facts)
by Shane Carley
- List rank#7
- Price$8.99
- Rating4.4
- Reviews670
-
Chess Made Simple: A Beginner's Guide to Learn Rules, Develop Strategies, Master Tactics, Visualize Moves, and Build Confidence to Win More Games!
by Alexander Knight
- List rank#8
- Price$4.99
- Rating4.7
- Reviews153
-
How To Beat Anyone At Chess: The Best Chess Tips, Moves, and Tactics to Checkmate
by Ethan Moore
- List rank#9
- Price$10.99
- Rating4.4
- Reviews581
-
The Chess Revolution: From the Ancient World to the Digital Age
by Peter Doggers
- List rank#10
- Price$1.99
- Rating4.3
- Reviews65
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 94 reviews and sells for $5.26.
How many reviews do you need to rank in Reference?
The median best seller has 94 reviews, and 51% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $5.26; half of the best sellers are priced between $3.39 and $11.49.
Can new books break into Reference?
22% 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.