I agree that it has it's limitations - like everything!!!!! I do think it important that professional help is accessed as well as reading about it. I shall look at the book you mentioned as it is one I haven't heard of. There are others out there that take the form of work books.
Saffie me 46 H 46 M in 1986 D20,D18,S16,D13 H's A 01/05 to 07/06 H recommitted to M 07/06 renewed vows 09/06 Going from strength to strength