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Robert Boland: Amazon KDP author data
As of Nov 6, 2026, Robert Boland has 6 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Psychopharmacology, Mental Health, Psychiatry.
| Median price | $135 |
|---|---|
| Price range (middle 50%) | $99.69 – $276 |
| Median reviews | 40 |
| Total reviews | 629 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 83% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $135, 255% above the median of their main category, Psychopharmacology.
Robert Boland's best-ranked books
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Kaplan & Sadock’s Synopsis of Psychiatry
by Robert Boland
- Price$135
- Rating4.6
- Reviews466
-
Kaplan and Sadock's Comprehensive Text of Psychiatry
by Robert Boland
- Price$276
- Rating4.2
- Reviews17
-
Kaplan and Sadock's Comprehensive Textbook of Psychiatry
by Robert Boland
- Price$291
- Rating4.2
- Reviews17
-
Kaplan & Sadock's Concise Textbook of Clinical Psychiatry
by Robert Boland
- Price$69.82
- Rating4.6
- Reviews62
-
Kaplan & Sadock's Concise Textbook of Clinical Psychiatry
by Robert Boland
- Price$99.69
- Rating4.6
- Reviews62
-
Kaplan & Sadock. Guía de estudio y autoevaluación en Psiquiatría (Spanish Edition)
by Robert Boland
- Price-
- Rating3.6
- Reviews5
- Published2024-03
Main categories
FAQ
How many books does Robert Boland have on Amazon?
KDPTop tracks 6 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Robert Boland publish in?
Their books chart most often in Psychopharmacology, Mental Health, Psychiatry.
How does Robert Boland price their books?
The median price is $135; half of the books cost $99.69–$276.
Has Robert Boland released new books recently?
0 new books in the last 30 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.