This is a great book - I remember enjoying it a lot. Her advice boils down to be brave and be honest, but she gives lots of fascinating examples, both from students she has taught and from famous people. For example, she says that Vang Gogh's first drawing was in a letter to his brother. 'It is so beautiful I must tell you how it looks...' he writes. Her style is charming too - I've kept lots of her expressions in my notes.
I think she's right when she says that if you are forcing yourself to write, then you are afraid you will fail. When you are sure, 'you smile and set about it'. Working with love is easy and interesting - there is nothing hard about it but your anxious vanity and fear of failure.
I also think she's right about living in the present: it's no good 'working up a lot of bogus feeling' because nobody will care a bit. 'My heroine is wonderful' is propaganda, and propaganda is not storytelling. Let a person come alive in your mind, and describe them accurately and objectively, then it will be interesting. Easy then! But she also talks about writing your true emotions and tapping into powers that will help you do that. A very good book.