1. The Visual Miscellaneum: A Colorful Guide to the World’s Most Consequential Trivia
2. Prototyping: A Practitioner’s Guide
3. Smashing Book
4. Designing Web Interfaces: Principles and Patterns for Rich Interactions
5. Designing for the Social Web
There are many more, check the following link out:
http://designingwebinterfaces.com/essential-ui-design-books