Using and Administering Linux: Volume 1: Getting Started
David Both
Using and Administering Linux (1)
The Algebraist
Iain M. Banks
C# Programming for Absolute Beginners
Radek Vystavěl
Practical MongoDB
Shakuntala Gupta Edward & Navin Sabharwal
Using and Administering Linux: Volume 3: Network Services
Using and Administering Linux (3)
Using and Administering Linux: Volume 2: Advanced Topics
Using and Administering Linux (2)