Note for ebook customers: The design and layout of this book play a key role in conveying the author's message. When creating the ebooks, we've tried to keep the look and feel of the print edition, but this means that not all e-reading devices will support the files. The EPUB format is optimized for iPad. The Mobi files are optimized for Kindle Fire tablets and phones and for Kindle reading apps.

Imagine you're in a game with one objective: a bestselling product or service. The rules? No marketing budget, no PR stunts, and it must be sustainably successful. No...