A book is not about something. A book is for someone.You want to write a nonfiction book that matters. A book readers love and rave about. A book they underline, dog-ear, and highlight. A must-read.How do you do that, when you’ve never written a book like that before? When you aren’t sure what content to include in a nonfiction book, or how to organize it? And when you’re not sure if your idea is worth pursuing in the first place?A...