 You can download Chapter 1 for free by going to drkenner.com. And you can buy the book at Amazon.com. At the C. Crane Company, we've got a new demand date to get every home in America to replace at least one incandescent bulb with a new energy-efficient, money-saving LED light bulb. A demand date is what we call it. When you demand something from us that can make your life better, and it becomes our mandate. And it's part of the reason we carry not one, but over a dozen types of LED light bulbs.