Nonfunctional Testing books
See the main nonfunc page here.
How to Break Software:A practical guide to testing.
Optimizing Oracle Performance
Practical Guide to Testing Object-Oriented Software
Pragmatic Unit Testing In Java with Junit
Software Quality Engineering: Testing, Quality Assurance, and Quantifiable Improvement
Testing Applications on the Web, 2nd Edition
Testing Embedded software
The Web Testing Companion
Web Performance Tuning, 2nd Edition
Why not visit our German sister site software qualität carries our extensive list of Nonfunctional Testing books. Shortly German language versions and translations will be added.