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Chris Aiken: Amazon KDP author data
Chris Aiken has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #1), mostly in Psychopharmacology, Bipolar, Cognitive Behavioral Therapy.
9Books on Amazon
9Listed in 30 days
4.7Average rating
| Median price | $47.60 |
|---|---|
| Price range (middle 50%) | $19.33 – $59.95 |
| Median reviews | 61 |
| Total reviews | 774 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $47.60, 59% above the median of their main category, Psychopharmacology.
Chris Aiken's best-ranked books
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Complementary and Alternative Medicine in Psychiatry: A Fact Book
by Chris Aiken
- Price$57.95
- Reviews-
- Published2026-10
-
Complementary and Alternative Medicine in Psychiatry: A Fact Book
by Chris Aiken
- Price$59.95
- Reviews-
-
Difficult to Treat Depression: A Carlat Guide
by Chris Aiken
- Price$16.71
- Rating4.9
- Reviews14
-
Difficult to Treat Depression: A Carlat Guide
by Chris Aiken
- Price$79.79
- Rating4.9
- Reviews14
-
Prescribing Psychotropics: From Drug Interactions to Pharmacogenetics
by Chris Aiken
- Price$47.60
- Rating4.7
- Reviews61
-
Bipolar, Not So Much: Understanding Your Mood Swings and Depression
by Chris Aiken
- Price$34.99
- Rating4.6
- Reviews266
-
Bipolar, Not So Much: Understanding Your Mood Swings and Depression
by Chris Aiken
- Price$14.95
- Rating4.6
- Reviews266
-
The Depression and Bipolar Workbook: 30 Ways to Lift Your Mood & Strengthen the Brain
by Chris Aiken
- Price$19.33
- Rating4.6
- Reviews139
-
Difficult to Treat Depression: A Carlat Guide
by Chris Aiken
- Price$75.80
- Rating4.9
- Reviews14
Main categories
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.