One of my Christmas presents (opened early), was a couple of coloring books by Creative Haven, Entangled and Dream Doodles. Both are filled with really intricate and pretty designs. As a child I loved to color and it still is one of my favorite activities. I often will sit at my student tables and color along with them. We chat and visit. This is a very informal way of finding out about my class and what they are thinking. They also enjoy that I share with them bits about me. So needless to say, I am delighted with the adult coloring book craze.
One day I am going to get some really good color pencils, but for now if I want to use color pencils, I use a large set of Crayolas I have. Actually I like them. I just wouldn't argue with some prismacolors.