Superstar gardener Ken Druse tells us about why he decided to create his latest book, Natural Companions, with images by his friend Ellen Hoverkamp and her flatbed scanner: "Soon after Ellen and I finished our book, Hurricane Irene churned through the Northeast, followed the next month by tropical storm Lee. A good deal of my garden was swept away. Now I have a record of things that used to be, and the book I wrote turned out to be a memory book."