Hi, thanks Pablo for the link. I heard of Bruce Eckel's "Thinking in C++" and "Thinking in Java". Now with a cup of tea, I start my reading. By the way, I watched Germany Soccer match Bayern Munchen VS Leverkusen on the weekend, and known that day is Munchen's Beer festival. Does Pablo or Kai-Uwe take part in it and take some panoramas? Yili