KDP categories · Top KDP authors
System Administration (Networking & Communications, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for System Administration (Networking & Communications, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 14 reviews, average rating 4.5 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $34.07 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 21% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- 21% of its best sellers came out in the last 90 days, more than in 88% of Kindle eBooks categories: readers here keep buying new titles.
- Its median reviews are 46% of the parent category Networking & Communications (32), one of the easier corners under it.
- Its review barrier is lower than in 77% of Kindle eBooks categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 System Administration best sellers
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Fundamentals of Software Architecture: A Modern Engineering Approach
by Mark Richards
- List rank#2
- Price$49.78
- Rating4.6
- Reviews108
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Site Reliability Engineering: How Google Runs Production Systems
by Betsy Beyer
- List rank#3
- Price$64.71
- Rating5.0
- Reviews1
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The Ultimate Navy SEAL's Home Defense Survival Guide: How to Stay Safe in Your Home During Any Crisis with Advanced Military Strategies
by DYLAN MORSE
- List rank#4
- Price$12.99
- Rating4.4
- Reviews106
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LLM Systems Engineering: Training and Building Large Language Models – Engineering AI Models Through Fine-Tuning, Continued Pretraining, and From-Scratch Development (AI Engineering)
by Rob McKinsey
- List rank#5
- Price$34.30
- Rating4.8
- Reviews101
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System Design for the LLM Era: Patterns and principles for production-grade AI architecture
by Sampriti Mitra
- List rank#6
- Price$31.58
- Rating4.1
- Reviews16
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Git & GitHub Visual Guide: The Hands-On Manual for Complete Beginners to Master Version Control and Remote Coding Collaboration (Digital Skill Development Series by D-Libro (2025))
by Ben Bloomfield
- List rank#7
- Price$24.99
- Rating4.7
- Reviews21
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Linux for Absolute Beginners: An Introduction to the Linux Operating System, Including Commands, Editors, and Shell Programming
by Andrew Warner
- List rank#8
- Price$4.99
- Rating4.2
- Reviews131
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The Kubernetes Book
by Nigel Poulton
- List rank#9
- Price$9.99
- Rating4.5
- Reviews1,584
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The Linux Command Line, 3rd Edition: A Complete Introduction
by William Shotts
- List rank#10
- Price$34.99
- Rating4.8
- Reviews71
Subcategories
Same niche in Books: Network Administration
FAQ
Is System Administration a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $9.99.
How many reviews do you need to rank in System Administration?
The median best seller has 14 reviews, and 73% of them have fewer than 100.
What do System Administration best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.99 and $34.07.
Can new books break into System Administration?
21% 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.