Yes, A Book Is Still "Price Of Entry" - Agent/Publisher Route, Self-Publishing, Home-Publishing

Jane Genova: Speechwriter - Ghostwriter

 No, you don't put the book out there hoping to earn a bundle from royalties. You put it out there because you have to include it on your CV, hand it out or sell it at the talks you deliver, and give it as a takeaway to the prospects at lunch or dinner.