Talk to your local bookstore about what they're ordering nowadays. They're on the frontline of the marketplace. Of course, you may well be, but you must know why. Otherwise the talk show hosts will eat you alive. A Book by Any Other Name. . .
Most authors worry too much about the title up front.
Unless Archangel Gabriel personally commands that your book will be called Around the Horn, or whatever, just pick a working title for now and get on with writing. The final title will come from your subconscious later, from a publisher, or from the book itself. When title does become an issue, trust the professionals. They know what sells and what turns prospective readers off. Avoid overworked phrases, such as Confessions of. . .