Ask HN: Good Programming/Tech Books To Read?

I'm a CS major and I just got finished with finals. Other than working part time over the summer I will have a giant amount of free time that wasn't there during the school year. What books would you recommend I read over the summer?

- Design Patterns: Elements of Reusable Object-Oriented Software http://www.amazon.com/Design-Patterns-Elements-Reusable-Obje...

- Effective C++: http://www.amazon.com/Effective-Specific-Improve-Programs-De...