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Gem Iroko: Amazon KDP author data

Gem Iroko has 38 books on Amazon, 27 of them on a best-seller list in the last 30 days (best rank #10), mostly in Software Design, Testing & Engineering, Programming, Software Development.

38Books on Amazon
27Listed in 30 days
3.1Average rating
Median price$12.98
Price range (middle 50%)$9.98 – $26.11
Median reviews2
Total reviews28
New books (30 days)23
Breakout books (30 days)14

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What stands out

  • 71% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $12.98, 30% above the median of their main category, Software Design, Testing & Engineering.
  • 23 new books in the last 30 days, 14 of them broke into a Best Sellers list.

Gem Iroko's best-ranked books

  1. Spec-Driven Coding Agent Workflows: Plan, Control, Test, and Govern AI Coding Agents for R book cover by Gem Iroko

    Spec-Driven Coding Agent Workflows: Plan, Control, Test, and Govern AI Coding Agents for Reliable Software Development (Spec-Driven AI Engineering Series)

    by Gem Iroko

    • Price$12.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  2. Flask Web Development in Action: Build Full-Stack Python Web Applications with Flask, SQLA book cover by Gem Iroko

    Flask Web Development in Action: Build Full-Stack Python Web Applications with Flask, SQLAlchemy, Authentication, REST APIs, Dashboards, and Deployment Step by Step

    by Gem Iroko

    • Price$5.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Spec-Driven Software Architecture with AI: Design Reliable Systems with Architecture Speci book cover by Gem Iroko

    Spec-Driven Software Architecture with AI: Design Reliable Systems with Architecture Specifications, ADRs, C4 Models, APIs, Data Contracts, Quality ... Agents (Spec-Driven AI Engineering Series)

    by Gem Iroko

    • Price$12.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. Spec-Driven Software Testing with AI: Build Reliable Test Suites from Specifications with  book cover by Gem Iroko

    Spec-Driven Software Testing with AI: Build Reliable Test Suites from Specifications with AI, Test Automation, TDD, API Testing, and CI/CD (Spec-Driven AI Engineering Series)

    by Gem Iroko

    • Price$9.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. MeshCore Projects Handbook: Build and Deploy Secure Off-Grid LoRa Mesh Networks with Compa book cover by Gem Iroko

    MeshCore Projects Handbook: Build and Deploy Secure Off-Grid LoRa Mesh Networks with Companion Nodes, Repeaters, Room Servers, ESP32 Hardware, and Real-World Projects

    by Gem Iroko

    • Price$11.99
    • Rating1.8
    • Reviews3
    • Published2026-09

    View on Amazon · Full data on KDPTop

  6. LangGraph Projects Handbook: Build Stateful AI Agents, Multi-Agent Workflows, Human-in-the book cover by Gem Iroko

    LangGraph Projects Handbook: Build Stateful AI Agents, Multi-Agent Workflows, Human-in-the-Loop Systems, RAG Applications, and Production-Ready Automations with Python

    by Gem Iroko

    • Price$9.99
    • Rating1.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  7. Spec-Driven AI Engineering: Build Reliable Software from Requirements to Code with AI Agen book cover by Gem Iroko

    Spec-Driven AI Engineering: Build Reliable Software from Requirements to Code with AI Agents, Tests, and Production Workflows (Spec-Driven AI Engineering Series)

    by Gem Iroko

    • Price$8.99
    • Rating4.4
    • Reviews3

    View on Amazon · Full data on KDPTop

  8. OpenCode Projects Handbook: Build Real Software with AI Coding Agents, Custom Agents, Skil book cover by Gem Iroko

    OpenCode Projects Handbook: Build Real Software with AI Coding Agents, Custom Agents, Skills, MCP, Local Models, Context Engineering, Testing, and Automated Workflows

    by Gem Iroko

    • Price$12.99
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  9. Mastering PLC Ladder Logic: Modern Programming Techniques and Best Practices for Reliable  book cover by Gem Iroko

    Mastering PLC Ladder Logic: Modern Programming Techniques and Best Practices for Reliable Industrial Automation

    by Gem Iroko

    • Price$9.88
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. GraphRAG for Agents: Build Production-Ready AI Agents with Python, Neo4j, LangGraph, MCP,  book cover by Gem Iroko

    GraphRAG for Agents: Build Production-Ready AI Agents with Python, Neo4j, LangGraph, MCP, Hybrid Retrieval, and LLMs

    by Gem Iroko

    • Price$12.89
    • Reviews-

    View on Amazon · Full data on KDPTop

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.