I get into a lot more detail about Qi (a.k.a. Ki, Chi) in the "Energy as a Weapon" thread on this forum. I'll kinda keep it simple here.
What We're Talking About: http://www.pathoftheancient.net/code/library/treasure.html
Basic Development of What We're Talking About: http://www.pathoftheancient.net/code/library/basicqi.html
Basic Defensive Development: http://www.pathoftheancient.net/code/library/defenseiron.html
Basic Offensive Development: http://www.pathoftheancient.net/code/library/introcombat.html
Sunlight Hands Arts: http://www.dragonslist.com/articles/articles/?articleid=93
What We're Talking About: http://www.pathoftheancient.net/code/library/treasure.html
Basic Development of What We're Talking About: http://www.pathoftheancient.net/code/library/basicqi.html
Basic Defensive Development: http://www.pathoftheancient.net/code/library/defenseiron.html
Basic Offensive Development: http://www.pathoftheancient.net/code/library/introcombat.html
Sunlight Hands Arts: http://www.dragonslist.com/articles/articles/?articleid=93