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Cesar Romero Silva: Amazon KDP author data

As of Nov 6, 2026, Cesar Romero Silva has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #1), mostly in Borland Delphi, Delphi, Programming.

4Books on Amazon
4Listed in 30 days
4.7Average rating
Median price$45
Price range (middle 50%)$35 – $54.99
Median reviews5
Total reviews14
New books (30 days)2
Breakout books (30 days)2

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What stands out

  • Median price $45, 16% above the median of their main category, Borland Delphi.

Cesar Romero Silva's best-ranked books

  1. Desenvolvimento Web Profissional com Delphi e Dext Framework: APIs REST, Arquitetura Moder book cover by Cesar Romero Silva

    Desenvolvimento Web Profissional com Delphi e Dext Framework: APIs REST, Arquitetura Moderna e Aplicações Escaláveis em Nuvem com Delphi (Série Dext Developer) (Portuguese Edition)

    by Cesar Romero Silva

    • Price$35
    • Rating5.0
    • Reviews2
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. Delphi Multithreading: Threads, Concurrency, Parallelism and Asynchronous Programming book cover by Cesar Romero Silva

    Delphi Multithreading: Threads, Concurrency, Parallelism and Asynchronous Programming

    by Cesar Romero Silva

    • Price$54.99
    • Rating4.1
    • Reviews7

    View on Amazon · Full data on KDPTop

  3. Professional Web Development with Delphi and Dext Framework: Modern REST APIs, Clean Archi book cover by Cesar Romero Silva

    Professional Web Development with Delphi and Dext Framework: Modern REST APIs, Clean Architecture, and Scalable Cloud Applications with Delphi (Dext Developer Series)

    by Cesar Romero Silva

    • Price$35
    • Reviews-
    • Published2026-09

    View on Amazon · Full data on KDPTop

  4. Delphi Multithreading: Threads, Concorrência, Paralelismo e Assincronismo (Portuguese Edit book cover by Cesar Romero Silva

    Delphi Multithreading: Threads, Concorrência, Paralelismo e Assincronismo (Portuguese Edition)

    by Cesar Romero Silva

    • Price$54.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Cesar Romero Silva have on Amazon?

KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.

Which categories does Cesar Romero Silva publish in?

Their books chart most often in Borland Delphi, Delphi, Programming.

How does Cesar Romero Silva price their books?

The median price is $45; half of the books cost $35–$54.99.

Has Cesar Romero Silva released new books recently?

2 new books in the last 30 days, 2 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.