KDP categories · Top KDP authors
Reference (Psychology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Psychology, Books), updated Nov 2, 2026: median price $20.06, median 225 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $14.13 – $31.02 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Psychology (3,386), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Reference best sellers
-
Publication Manual (OFFICIAL) 7th Edition of the American Psychological Association
by American Psychological Association
- List rank#1
- Price$34.22
- Rating4.8
- Reviews34,523
-
Encyclopedia of Counseling: Master Review and Tutorial for the National Counselor Examination, State Counseling Exams, and the Counselor Preparation Comprehensive Examination
by Howard Rosenthal
- List rank#2
- Price$42.26
- Rating4.8
- Reviews3,678
-
DSM-5-TR Overview: a QuickStudy Laminated Reference Guide
by Rona Bernstein PsyD
- List rank#3
- Price$9.27
- Rating4.7
- Reviews1,803
-
Feeling Good: The New Mood Therapy
by David D. Burns
- List rank#4
- Price$25.89
- Rating4.4
- Reviews115
-
Existential Psychotherapy
- List rank#5
- Price$27.59
- Rating4.8
- Reviews537
-
Psych 101: Psychology Facts, Basics, Statistics, Tests, and More! (Adams 101 Series)
by Paul Kleinman
- List rank#6
- Price$10.83
- Rating4.6
- Reviews2,464
-
-
A Dictionary of Symbols: Revised and Expanded Edition (New York Review Books Classics)
by Juan Eduardo Cirlot
- List rank#8
- Price$17.99
- Rating4.6
- Reviews138
-
Stop Caretaking the Borderline or Narcissist: How to End the Drama and Get On with Life
by Margalis Fjelstad
- List rank#9
- Price$18.89
- Rating4.7
- Reviews2,181
-
Modern Man In Search Of A Soul: Analytical Psychology and Dream Analysis―Jung's Theories Beyond Freud
by C.G. Jung
- List rank#10
- Price$8.49
- Rating4.7
- Reviews2,476
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 225 reviews and sells for $20.06.
How many reviews do you need to rank in Reference?
The median best seller has 225 reviews, and 28% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $20.06; half of the best sellers are priced between $14.13 and $31.02.
Can new books break into Reference?
4% 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.