Free IT eBooks 
This is list of links to freely available eBooks related to information technology. I've provided a local mirror, as things tend to disappear on the internet.
Software Engineering
| Basics of Compiler Design | Homepage | PDF (local mirror) | |
| What Every Programmer Should Know About Memory | Homepage | PDF (local mirror) | |
| Matters Computational - Algorithms for Programmers | Homepage | PDF (local mirror) |
Databases
| Architecture of a Database System | Homepage | PDF (local mirror) |
