The cover of the book gives you a sense of whether this is the guidebook that teaches rock climbing. But that's not true. And the title doesn't mean physical power. The author of the book is a man. He used to be the father of one child. His son was born with a disease. It's a book that I read about many mothers in the hospital where my son was hospitalized. They, like the author, struggle to heal their own children's diseases. You see all the different mothers in the same ward. And you see your