KDP categories · Top KDP authors
Diana Barbu: Amazon KDP author data
As of Nov 6, 2026, Diana Barbu has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #3), mostly in CLEP, College & University, Graduate & Professional.
| Median price | $11.96 |
|---|---|
| Price range (middle 50%) | $8.99 – $15.45 |
| Median reviews | 65 |
| Total reviews | 259 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $11.96, 20% above the median of their main category, CLEP.
Diana Barbu's best-ranked books
-
The Ultimate College Admissions Guide: Learn How to Get In, Go Through, & Graduate College (almost) Debt-Free
by Diana Barbu
- Price$5.99
- Rating4.9
- Reviews65
- Published2022-04
-
The Ultimate College Financial Aid Guide: Understand the Aid Offer & Ask For More Money
by Diana Barbu
- Price$9.99
- Rating4.4
- Reviews65
-
The Ultimate College Admissions Guide: Learn How to Get In, Go Through, & Graduate College (almost) Debt Free
by Diana Barbu
- Price$19.99
- Rating4.9
- Reviews65
-
The Ultimate College Financial Aid Guide: Understand the Aid Offer & Ask For More Money
by Diana Barbu
- Price$13.93
- Rating4.4
- Reviews64
Main categories
FAQ
How many books does Diana Barbu have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Diana Barbu publish in?
Their books chart most often in CLEP, College & University, Graduate & Professional.
How does Diana Barbu price their books?
The median price is $11.96; half of the books cost $8.99–$15.45.
Has Diana Barbu 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.