How many books have you read on the topic?
How many years have you been practicing magic?
If the answer is less then 3 for either, go home.
If however, the answer is more then 3, I recommend some more study and work at magic. The tools, well some at least do help, like a sword. Have you decided which appraoch you are going to take to evocation? There are several ways to go about it.
The TOA course, sure why not (IMG:
style_emoticons/default/smile.gif) Actually my online skrying class is pretty good as well <g>
Lately there has been an internet influx of complete newbies wanting to summon demons. I am going to do the demons a favor and not encourage this behavior LOL.