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Dhiraj Kumar: Amazon KDP author data
As of Nov 6, 2026, Dhiraj Kumar has 11 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #18), mostly in Neural Networks, Data Warehousing, Databases & Big Data.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $12.99 – $49.99 |
| Median reviews | - |
| Total reviews | 0 |
| New listings (30 days, incl. new editions) | 5 |
| Breakout books (30 days) | 4 |
What stands out
- Median price $12.99, 66% below the median of their main category, Neural Networks.
- 5 new listings in the last 30 days (new editions included), 4 of them broke into a Best Sellers list.
Dhiraj Kumar's best-ranked books
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Spark to Lakehouse: PySpark and Databricks for Building Production-Ready Data Pipelines (Data Engineering Book 5)
by Dhiraj Kumar
- Price$49.99
- Reviews-
-
Building Production-Ready RAG Applications: Retrieval, Vector Databases, Embeddings, Reranking, Evaluation and Production AI (Data Engineering Book 6)
by Dhiraj Kumar
- Price$49.99
- Reviews-
-
Machine Learning Engineering: From Fundamentals to Production-Ready Machine Learning Systems
by Dhiraj Kumar
- Price$4.99
- Reviews-
- Published2026-10
-
TypeScript: A Complete Guide From Beginner to Professional
by Dhiraj Kumar
- Price$12.99
- Reviews-
-
Am I small? क्या मैं छोटी हूँ?: Children's Picture Book English-Hindi (Bilingual Edition)
by Dhiraj Kumar
- Price$12.99
- Rating3.8
- Reviews42
- Published2013-11
-
Playwright: A Complete Guide to Modern End-to-End Testing with TypeScript
by Dhiraj Kumar
- Price-
- Reviews-
- Published2026-10
-
Deep Learning: A Complete Guide to Neural Networks, Computer Vision, NLP and Modern AI (Data Engineering Book 9)
by Dhiraj Kumar
- Price$0
- Reviews-
- Published2026-10
-
Building Intelligent AI Agents: Building Autonomous AI Systems with LLMs, Tools, RAG, MCP and Agentic Workflows (Data Engineering Book 7)
by Dhiraj Kumar
- Price$0
- Reviews-
- Published2026-10
-
AI Engineering Interview Guide 2026-2027: 500+ Questions and Detailed Answers on LLMs, RAG, AI Agents, MCP, Prompt Engineering, Evaluation, System Design and Production AI (Data Engineering Book 8)
by Dhiraj Kumar
- Price$0
- Reviews-
- Published2026-10
-
Operating Systems: Architecture, Processes and Memory Management
by Dhiraj Kumar
- Price$12.99
- Reviews-
Main categories
FAQ
How many books does Dhiraj Kumar have on Amazon?
KDPTop tracks 11 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Dhiraj Kumar publish in?
Their books chart most often in Neural Networks, Data Warehousing, Databases & Big Data.
How does Dhiraj Kumar price their books?
The median price is $12.99; half of the books cost $12.99–$49.99.
Has Dhiraj Kumar released new books recently?
5 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.