Thanks for all your help guys! I will try to buy all those books so that if I find something in one book not understandable, I will look for it in another book. Again Thanks. This list really is Helpful! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/tutor/attachments/20090720/0e4c64a2/attachment.htm>