KDP categories · Top KDP authors
Caffeine: Amazon KDP category data
Amazon Books Best Sellers data for Caffeine, updated Nov 3, 2026: median price $14.64, median 17 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $10.03 – $19.13 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 1% of the parent category Nutrition (1,794), one of the easier corners under it.
- Its review barrier is lower than in 76% of Books categories: the median best seller has only 17 reviews, so new books can chart with few.
Top 10 Caffeine best sellers
-
Why We Sleep: Unlocking the Power of Sleep and Dreams
by Matthew Walker PhD
- List rank#1
- Price$11.40
- Rating4.7
- Reviews34,646
-
Food Rules: An Eater's Manual
- List rank#2
- Price$12
- Rating4.4
- Reviews4,982
-
Caffeine Blues: Wake Up to the Hidden Dangers of America's #1 Drug
by Stephen Cherniske MS
- List rank#3
- Price$15.37
- Rating4.7
- Reviews910
-
Never Enough: The Neuroscience and Experience of Addiction
by Judith Grisel
- List rank#4
- Price$13.91
- Rating4.6
- Reviews1,108
-
The Easy Way to Quit Caffeine: Live a Healthier, Happier Life
by Allen Carr
- List rank#5
- Price$9.26
- Rating4.5
- Reviews502
-
The Omnivore's Dilemma: A Natural History of Four Meals
- List rank#6
- Price$14.34
- Rating4.6
- Reviews5,449
-
Handbook of Substance Misuse and Addictions: From Biology to Public Health
by Vinood B. Patel
- List rank#7
- Price$541
- Rating4.4
- Reviews10
-
Master FIE: Libro III (Spanish Edition)
by Juan Mario Carvajal Bou
- List rank#8
- Price$22.99
- Rating5.0
- Reviews1
-
Cooked: A Natural History of Transformation
- List rank#9
- Price$16.19
- Rating4.6
- Reviews2,011
-
Buzzed: The Straight Facts About the Most Used and Abused Drugs from Alcohol to Ecstasy, Fifth Edition
by Cynthia Kuhn Ph.D.
- List rank#10
- Price$9.99
- Rating4.8
- Reviews608
FAQ
Is Caffeine a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 17 reviews and sells for $14.64.
How many reviews do you need to rank in Caffeine?
The median best seller has 17 reviews, and 79% of them have fewer than 100.
What do Caffeine best sellers cost?
The median price is $14.64; half of the best sellers are priced between $10.03 and $19.13.
Can new books break into Caffeine?
12% 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.