KDP categories · Top KDP authors
UML: Amazon KDP category data
Amazon Books Best Sellers data for UML, updated Nov 2, 2026: median price $43.57, median 26 reviews, average rating 4.3 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $25.37 – $61.22 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Software Design, Testing & Engineering (441), one of the easier corners under it.
- At $43.57 its median price beats 95% of Books categories, leaving more margin per copy.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 UML best sellers
-
SysML Distilled: A Brief Guide to the Systems Modeling Language
by Lenny Delligatti
- List rank#1
- Price$49.99
- Rating4.7
- Reviews433
-
The Software Engineer's Guidebook: Navigating senior, tech lead, and staff engineer positions at tech companies and startups
by Gergely Orosz
- List rank#2
- Price$34.49
- Rating4.6
- Reviews617
-
Object Oriented Design Interview: An Insider’s Guide
by Desmond Zhou
- List rank#3
- Price$44.99
- Rating4.6
- Reviews35
-
Head First Object-Oriented Analysis and Design
by Brett McLaughlin
- List rank#4
- Price$20.21
- Rating4.4
- Reviews460
-
Database Systems: Design, Implementation, & Management (MindTap Course List)
by Carlos Coronel
- List rank#5
- Price$96.23
- Rating4.6
- Reviews30
-
Systems Analysis and Design: An Object-Oriented Approach with UML
by Alan Dennis
- List rank#6
- Price$42
- Rating4.3
- Reviews28
-
SysML v2 in Practice: Modern Model-Based Systems Engineering: Master Requirements, Architecture, Behavior, Verification, APIs, Digital Engineering, and Practical MBSE Workflows
by Jamie Veydran
- List rank#7
- Price$5.99
- Reviews-
-
Kickstart Software Engineering Fundamentals: Build the Foundations of Modern Software Engineering with SDLC, UML, Design Principles, Testing, and Architecture (English Edition)
by Luiz Real
- List rank#8
- Price$19.95
- Rating5.0
- Reviews3
-
The Rational Unified Process: An Introduction (3rd Edition)
by Philippe Kruchten
- List rank#9
- Price$80.43
- Rating4.2
- Reviews29
-
Hacking the System Design Interview: Real Big Tech Interview Questions and In-depth Solutions
by Stanley Chiang
- List rank#10
- Price$26.99
- Rating4.4
- Reviews218
FAQ
Is UML a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 26 reviews and sells for $43.57.
How many reviews do you need to rank in UML?
The median best seller has 26 reviews, and 86% of them have fewer than 100.
What do UML best sellers cost?
The median price is $43.57; half of the best sellers are priced between $25.37 and $61.22.
Can new books break into UML?
4% 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.