You may have to check out the "used" book stores for these. I don't believe they are available as "new" any longer. However, the books are excellent and will put you on the right path of thinking.
As for HB's version of the stages, she rewrote them to fit what was going on w/her h. The stages are just a guideline and nothing is set in stone with the stages.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.