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R Parvin: Amazon KDP author data
R Parvin has 146 books on Amazon, 75 of them on a best-seller list in the last 30 days (best rank #1), mostly in Web Services & APIs, Enterprise Applications, Project Management.
146Books on Amazon
75Listed in 30 days
4.2Average rating
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $3.99 – $12.99 |
| Median reviews | 3 |
| Total reviews | 194 |
| New books (30 days) | 39 |
| Breakout books (30 days) | 21 |
What stands out
- 51% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $5.99, 73% below the median of their main category, Web Services & APIs.
- 39 new books in the last 30 days, 21 of them broke into a Best Sellers list.
R Parvin's best-ranked books
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Mastering Metrics: A Comprehensive Guide to the Metric System for Scientists and Engineers: Explore Precision and Practicality in Scientific Measurement
by R Parvin
- Price$2.99
- Rating3.5
- Reviews3
-
WordPress for Professionals: Mastering Custom Themes and Plugins: A Deep Dive into Advanced Techniques and Best Practices
by R Parvin
- Price$3.99
- Rating5.0
- Reviews1
- Published2025-02
-
Metric Math for Beginners: Easy Techniques for Understanding Decimals, Units, Conversions, and Measurement Calculations
by R Parvin
- Price$3.99
- Reviews-
-
Mastering Splunk: A Comprehensive Guide for Beginners: Unlock the Power of Splunk: Learn Architecture, Setup, Search, Reporting, Visualization, and Beyond!
by R Parvin
- Price$2.99
- Rating4.0
- Reviews9
-
Wordpress Made Easy: Build Your Dream Website with Elementor: Master Wordpress and Elementor with This Comprehensive Tutorial
by R Parvin
- Price$12.55
- Rating3.3
- Reviews4
-
Wordpress Made Easy: Build Your Dream Website with Elementor: Master Wordpress and Elementor with This Comprehensive Tutorial
by R Parvin
- Price$3.99
- Rating3.3
- Reviews4
- Published2024-07
-
Python Data Structures and Algorithms: A Clear, Step-by-Step Guide to Core Concepts and Problem Solving
by R Parvin
- Price$6.99
- Reviews-
-
Jira for Beginners: A Step-by-Step Guide to Managing Projects with Jira
by R Parvin
- Price$14.99
- Reviews-
-
Mastering Legal Annotations: A Comprehensive Guide to Effective Legal Citations: Enhance Your Legal Writing with Expert Annotation Techniques
by R Parvin
- Price$2.99
- Reviews-
-
Juniper JNCIA-Junos Study Guide (JN0-106): Master Junos Fundamentals, Interfaces, Routing, Policy, Firewall Filters, Monitoring, and CLI Operations
by R Parvin
- Price$24.99
- Reviews-
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.