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Justin Guarini: Amazon KDP author data
As of Nov 6, 2026, Justin Guarini has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Communications, Motivation & Self-Improvement, Running Meetings & Presentations.
| Median price | $10.44 |
|---|---|
| Price range (middle 50%) | $5.72 – $15.17 |
| Median reviews | 20 |
| Total reviews | 39 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $10.44, 25% below the median of their main category, Communications.
Justin Guarini's best-ranked books
-
Center Stage Confidence: How to Own your Story and Command Any Room
by Justin Guarini
- Price$0.99
- Rating5.0
- Reviews21
- Published2026-10
-
Center Stage Confidence: How to Own your Story and Command Any Room
by Justin Guarini
- Price$19.89
- Rating5.0
- Reviews21
- Published2026-10
Main categories
FAQ
How many books does Justin Guarini have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Justin Guarini publish in?
Their books chart most often in Communications, Motivation & Self-Improvement, Running Meetings & Presentations.
How does Justin Guarini price their books?
The median price is $10.44; half of the books cost $5.72–$15.17.
Has Justin Guarini released new books recently?
2 new books in the last 30 days, 2 of which reached a Best Sellers list.
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.