KDP categories · Top KDP authors
Witnesses (Rules & Procedures, Books): Amazon KDP category data
Amazon Books Best Sellers data for Witnesses (Rules & Procedures, Books), updated Nov 2, 2026: median price $16.99, median 10 reviews, average rating 4.5 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $7.99 – $34.08 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Rules & Procedures (260), one of the easier corners under it.
- Its review barrier is lower than in 83% of Books categories: the median best seller has only 10 reviews, so new books can chart with few.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Witnesses best sellers
-
Notary Journal: I May Not Be Famous But I Get Paid For My Signature: Official Notary Log Book To Record Notarial Acts | 200 Entries | Notary Public Record Book For Women | Pink & Gold Marble Glitter
by Pivotal Press
- List rank#1
- Price$9.99
- Rating4.8
- Reviews860
-
At the Devil's Table: The Untold Story of the Insider Who Brought Down the Cali Cartel
by William C. Rempel
- List rank#2
- Price$14.95
- Rating4.6
- Reviews544
-
Expert Witness: The Weight of Our Testimony When Justice Hangs in the Balance
by Ann Wolbert Burgess
- List rank#3
- Price$14.89
- Rating4.4
- Reviews44
-
Shadow Empire: The Epstein Files
by Sayer Ji
- List rank#4
- Price$35
- Reviews-
-
Denial: Holocaust History on Trial
by Deborah E. Lipstadt
- List rank#5
- Price$2.99
- Rating4.6
- Reviews586
-
Murder the Truth: Fear, the First Amendment, and a Secret Campaign to Protect the Powerful – An Essential Investigation of America's War on Journalism
by David Enrich
- List rank#6
- Price$15.99
- Rating4.6
- Reviews166
-
Mafia Takedown: The Incredible True Story of the FBI Agent Who Devastated the New York Mob
by Mike Campi
- List rank#7
- Price$21.99
- Rating4.2
- Reviews191
-
McElhaney's Trial Notebook, Fourth Edition
by James Willson McElhaney
- List rank#8
- Price$60.47
- Rating4.6
- Reviews58
-
The Basement: True Story of Serial Killer Gary Heidnik (True Crime Murder & Mayhem)
by RJ Parker
- List rank#9
- Price$3.99
- Rating3.4
- Reviews1,150
-
Silenced No More: Surviving My Journey to Hell and Back
by Sarah Ransome
- List rank#10
- Price$33.55
- Rating4.4
- Reviews886
Same niche in Kindle eBooks: Witnesses
FAQ
Is Witnesses a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $16.99.
How many reviews do you need to rank in Witnesses?
The median best seller has 10 reviews, and 85% of them have fewer than 100.
What do Witnesses best sellers cost?
The median price is $16.99; half of the best sellers are priced between $7.99 and $34.08.
Can new books break into Witnesses?
5% 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.