Translation of verwunden

In the meantime I am listening to some Spanish CDs. They are intended for the car, but no one can tell you when to listen to it, how many times and how often. Please understand that I work a lot.
I have your letter sitting on my desk. But, in the last 2 months I have been working on some projects which were very time consuming. I will not be able to start anything new before October or November.
We have cut the description though, since it was too long. However, we would like to change the description again, by adding a geographic spot in it or telling the user that it is E-learning.