If you have a great idea or business proposal to pitch, or if you just want to learn to be better in business situations generally, read Good in a Room. Stephanie Palmer spent years as an executive at MGM studios listening to movie pitches. Somewhere along the line she started taking notes on what worked and what didn’t. This book explains it all.
Read this thing and you will be better in meetings, pitch sessions, and on the phone. Heck, she even tells you how to write an effective email. A must read. (Referenced in this DailyKev post)