It is the best to use articles together with audio material. Dr. Richards explains it all on the beginning of audio series.
It is very simple but there are precise rules in which order to listen sessions and in every session it is explained with articles to read.
It is advised to do 1 audio session per week as our brain takes that long to accept new info. Therapy has cognitive (mostly comes first) and behavioral part.
It is crucial to do everything by the book. It is not hard and it takes just a little persistence. It is very motivating when you see that it actually helps.
I wish you all the luck in the world and a lot of success. For more info, please write on forum or PM members. Everyone here is ready to help as we all know what you are going trough.