KDP categories · Top KDP authors
Theory (Movies, Books): Amazon KDP category data
Amazon Books Best Sellers data for Theory (Movies, Books), updated Nov 2, 2026: median price $21, median 46 reviews, average rating 4.5 and a KDPTop opportunity score of 36/100 (highly competitive).
| Price range (middle 50%) | $15.74 – $31.95 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 3% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 8% of the parent category Movies (546), one of the easier corners under it.
- Only 3% of its best sellers are under 90 days old, fewer than in 88% of Books categories: established titles hold the list.
Top 10 Theory best sellers
-
The Anime Archives: A retrospective of anime films and TV shows from indie journal publisher Lost in Cult.
by Lost in Cult
- List rank#1
- Price$28.60
- Rating4.6
- Reviews9
-
Scream with Me: Horror Films and the Rise of American Feminism (1968-1980)
- List rank#2
- Price$22.73
- Rating4.5
- Reviews151
-
The Monster Show: A Cultural History of Horror; Revised Edition with a New Afterword
by David J. Skal
- List rank#3
- Price$11.19
- Rating4.6
- Reviews177
-
Sculpting in Time: Tarkovsky The Great Russian Filmaker Discusses His Art
by Andrey Tarkovsky
- List rank#4
- Price$31.18
- Rating4.9
- Reviews507
-
The Film Appreciation Book: The Film Course You Always Wanted to Take
by Jim Piper
- List rank#5
- Price$13.99
- Rating4.5
- Reviews67
-
Godzilla: The Official Guide to the King of the Monsters: Fully Revised & Updated
by Toho Co. Ltd
- List rank#6
- Price$39.95
- Rating5.0
- Reviews1
-
Cinema Speculation: An Entertaining Dive into Film History from the Legendary Writer and Director
- List rank#7
- Price$17.22
- Rating4.6
- Reviews2,971
-
Leave the Gun, Take the Cannoli: The Epic Story of the Making of The Godfather
by Mark Seal
- List rank#8
- Price$17.62
- Rating4.7
- Reviews2,866
-
Hard Core: Power, Pleasure, and the "Frenzy of the Visible", Expanded edition
by Linda Williams
- List rank#9
- Price$31.95
- Rating4.2
- Reviews36
-
I Hated, Hated, Hated This Movie
by Roger Ebert
- List rank#10
- Price$2.99
- Rating4.1
- Reviews466
FAQ
Is Theory a good niche for Amazon KDP?
Its KDPTop opportunity score is 36/100, which makes it highly competitive. The median best seller has 46 reviews and sells for $21.
How many reviews do you need to rank in Theory?
The median best seller has 46 reviews, and 62% of them have fewer than 100.
What do Theory best sellers cost?
The median price is $21; half of the best sellers are priced between $15.74 and $31.95.
Can new books break into Theory?
3% 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.