KDP categories · Top KDP authors
Noel Rappin: Amazon KDP author data
As of Nov 6, 2026, Noel Rappin has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #1), mostly in Ruby, Object-Oriented Design, Object-Oriented Software Design.
| Median price | $55.95 |
|---|---|
| Price range (middle 50%) | $54.99 – $58.31 |
| Median reviews | 6 |
| Total reviews | 67 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
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 $55.95, 99% above the median of their main category, Ruby.
Noel Rappin's best-ranked books
-
Programming Ruby 3.3: The Pragmatic Programmers' Guide (Pragmatic Programmers; Facets of Ruby)
by Noel Rappin
- Price$58.31
- Rating4.1
- Reviews26
-
Programming Ruby 4: The Pragmatic Programmer's Guide
by Noel Rappin
- Price$75.95
- Reviews-
- Published2026-10
-
Programming Ruby 3.3: The Pragmatic Programmers' Guide
by Noel Rappin
- Price$54.99
- Rating4.1
- Reviews26
-
Modern Front-End Development for Rails: Hotwire, Stimulus, Turbo, and React
by Noel Rappin
- Price$47.99
- Rating4.5
- Reviews6
-
Modern Front-End Development for Rails: Hotwire, Stimulus, Turbo, and React
by Noel Rappin
- Price$55.95
- Rating4.5
- Reviews6
-
Professional Ruby on Rails
by Noel Rappin
- Price-
- Rating3.5
- Reviews3
Main categories
FAQ
How many books does Noel Rappin have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Noel Rappin publish in?
Their books chart most often in Ruby, Object-Oriented Design, Object-Oriented Software Design.
How does Noel Rappin price their books?
The median price is $55.95; half of the books cost $54.99–$58.31.
Has Noel Rappin released new books recently?
1 new book in the last 30 days, 1 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.