I have found these links to be helpful in my search for knowledge about rockets. The rocket organizations links will take you to the national rocketry organizations with information about joining, safety and general rocketry. I have also included links to local Colorado flying clubs with links for directions to the launch sites and meeting places. The vender page contains links to popular manufactures and hobby stores. It is not a complete list by any means, but I have used them at one time or another. The personal links are to web site that are very well put together or have really good information. The auction links take to to auctions sites that sell rocket parts and the weather links take you to two different site where you can get weather information before you head out to the launch site.