Divorce Centers is an excellent organization. They are responsive, helpful, patient, reasonably priced; all of the things you need to help you through the paperwork required to get divorced. They do not provide legal advice or mediation. The valuable service they provide is getting all of your forms filed correctly with the county court system.
There is a great book by Ed Sherman called "How to do your own divorce in California". It is very useful if you are getting divorced "amicably" and don't need to retain attorneys for your divorce. Divorce Centers handles the administrative work for you. You can do it yourself, but with my packed schedule and no spare time, I found it extremely worthwhile to use their services for the divorce paperwork. They know what to file, when etc. They did my paperwork and remained helpful and patient through many phone calls and requests. I was impressed throughout the process at their great service.