KDP categories · Top KDP authors
COM & DCOM: Amazon KDP category data
Amazon Books Best Sellers data for COM & DCOM, updated Nov 2, 2026: median price $30.58, median 6 reviews, average rating 4.3 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $19.66 – $44.91 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 2% |
| Books on the list | 55 |
| Store | Books |
What stands out
- Its median reviews are 13% of the parent category Networks, Protocols & APIs (50), one of the easier corners under it.
- Only 2% of its best sellers are under 90 days old, fewer than in 94% of Books categories: established titles hold the list.
- Its review barrier is lower than in 87% of Books categories: the median best seller has only 6 reviews, so new books can chart with few.
Top 10 COM & DCOM best sellers
-
ENGENHARIA DE DADOS COM PYTHON E SQL - Edição 2025: Construa Pipelines de Dados Escaláveis (Data Extreme Brasil) (Portuguese Edition)
by StudioD21 Smart Tech Content
- List rank#1
- Price$13.50
- Rating5.0
- Reviews4
-
COM and COM+ Programming Primer, The (Prentice Hall Ptr Microsoft Technologies Series)
by Alan Gordon
- List rank#2
- Price-
- Rating4.1
- Reviews11
-
COM, DCOM & COM+ Programming Mastery: The Complete Guide to Component Object Model Architecture, Distributed Systems, and Enterprise COM Internals (The Code Mastery Library)
by Jordan P. Lori
- List rank#3
- Price$6.99
- Reviews-
-
Serial Port Complete: COM Ports, USB Virtual COM Ports, and Ports for Embedded Systems (Complete Guides series)
by Jan Axelson
- List rank#4
- Price$39.95
- Rating4.1
- Reviews72
-
.NET and COM: The Complete Interoperability Guide
by Adam Nathan
- List rank#5
- Price-
- Rating4.0
- Reviews31
-
Essential COM (Addison-Wesley Object Technology Series)
by Don Box
- List rank#6
- Price$33.20
- Rating4.3
- Reviews73
-
Inside Com
by Dale Rogerson
- List rank#7
- Price$39.65
- Rating4.5
- Reviews61
-
Programando a Inteligência: Introdução a Machine Learning com C# (Portuguese Edition)
by Wagner Perdão Salvi
- List rank#8
- Price$2.99
- Rating5.0
- Reviews1
-
APRENDA C# - Edição 2025: Domine o Desenvolvimento Escalável com Programação Moderna. Dos Fundamentos às Aplicações Práticas (C# EXTREME BRASIL) (Portuguese Edition)
by StudioD21 Smart Tech Content
- List rank#9
- Price$15.50
- Rating4.6
- Reviews9
-
Effective COM: 50 Ways to Improve Your COM and MTS-based Applications (Addison-Wesley Object Technology Series)
by Don Box
- List rank#10
- Price$14.50
- Rating4.3
- Reviews19
FAQ
Is COM & DCOM a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 6 reviews and sells for $30.58.
How many reviews do you need to rank in COM & DCOM?
The median best seller has 6 reviews, and 100% of them have fewer than 100.
What do COM & DCOM best sellers cost?
The median price is $30.58; half of the best sellers are priced between $19.66 and $44.91.
Can new books break into COM & DCOM?
2% of the current best sellers were released in the last 90 days.
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.