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RISHU RAJ: Amazon KDP author data
As of Nov 6, 2026, RISHU RAJ has 18 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #4), mostly in Python, Programming, Databases & Big Data.
| Median price | $6.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $24.99 |
| Median reviews | 1 |
| Total reviews | 3 |
| New listings (30 days, incl. new editions) | 9 |
| Breakout books (30 days) | 4 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $6.99, 78% below the median of their main category, Python.
- 9 new listings in the last 30 days (new editions included), 4 of them broke into a Best Sellers list.
RISHU RAJ's best-ranked books
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Databricks in Action: A Practical Guide to Data Engineering: Build, Optimize, and Deploy Modern Data Pipelines with Apache Spark, PySpark, SQL, and Delta Lake
by RISHU RAJ
- Price$5.99
- Reviews-
-
Databricks in Action: A Practical Guide to Data Engineering: Build, Optimize, and Deploy Modern Data Pipelines with Apache Spark, PySpark, SQL, and Delta Lake
by RISHU RAJ
- Price$28.99
- Reviews-
-
Mastering SQL for Data Engineering: A Practical Guide to SQL, Database Design, ETL Pipelines, Query Optimization, Data Warehousing, Cloud Analytics, and Real-World Projects
by RISHU RAJ
- Price$6.99
- Reviews-
-
The Modern PySpark & Databricks Data Engineer: Build Scalable Data Pipelines with Apache Spark, Delta Lake, Streaming, Workflows, and Unity Catalog
by RISHU RAJ
- Price$8.99
- Rating5.0
- Reviews1
-
The Modern PySpark & Databricks Data Engineer: Build Scalable Data Pipelines with Apache Spark, Delta Lake, Streaming, Workflows, and Unity Catalog
by RISHU RAJ
- Price$29.99
- Rating5.0
- Reviews1
-
Computational Biology: A Comprehensive Textbook on Bioinformatics, Genomics, Proteomics, AI, and Practical
by RISHU RAJ
- Price$5.99
- Rating5.0
- Reviews1
-
Design and Analysis of Algorithms: A Comprehensive Guide for B.Tech, BCA, MCA, Computer Science Students, GATE Aspirants, University Exams, Coding Interviews, and Software Engineering Fundamentals
by RISHU RAJ
- Price$3.99
- Reviews-
-
Google Cloud Data Engineering: Master Data Pipelines, BigQuery, Dataflow, Dataproc, Pub/Sub, Vertex AI, and Professional Data Engineering on Google Cloud
by RISHU RAJ
- Price$0
- Reviews-
- Published2026-08
-
The Modern Data Engineer’s Playbook: Design, Build, and Scale Reliable Data Systems for Analytics, AI, and the Cloud
by RISHU RAJ
- Price$0
- Reviews-
- Published2026-08
-
Modern GitLab DevOps Handbook: Build, Automate, Secure, Deploy, and Scale Production-Ready DevOps Pipelines
by RISHU RAJ
- Price$0
- Reviews-
- Published2026-08
Main categories
FAQ
How many books does RISHU RAJ have on Amazon?
KDPTop tracks 18 of their books; 9 made an Amazon list in the last 30 days.
Which categories does RISHU RAJ publish in?
Their books chart most often in Python, Programming, Databases & Big Data.
How does RISHU RAJ price their books?
The median price is $6.99; half of the books cost $5.99–$24.99.
Has RISHU RAJ released new books recently?
9 new books in the last 30 days, 4 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.