1. Business and Enterpreneuring
   1. EInfo.sk
2. Mystics
   1. Alfa hladina
3. General Management
   1. MBA
4. Financial
   1. Robert Kyosaki
5. Sales
6. Project Management
   1. Prince2
7. Programming
8. Quality and Testing
9. Home building
10. General motivation
    1. Og Mandino
11. Memory
12. Body language
    1. youtube on body language
13. Languages
    1. English
    2. German
    3. Spanish
14. Astrophysics
    1. Frank Close: Casticova fyzika.
    2. Hawking
15. History
    1. Ancient Egypt
    2. Ancient Mideast
    3. Greece and Rome
16. Body building
    1. Joga
    2. Pilates