According to the author, it is now possible for people with very little training to publish a book because

It is now possible for people with little training to publish a book because sometimes even a writer with no amount of training can make the most amazing of stories that can help someone or make a reader think of how a life can be so horrendous but beautiful in a way that moves the reader to come up with something quite different to what they thought before.

exhausted word best describes the mood of the passage frink creates .