Presentation Zen: Simple Ideas on Presentation Design and Delivery, by Garr Reynolds

Resonate: Present Visual Stories that Transform Audiences, by Nancy Duarte

slide:ology: The Art and Science of Creating Great Presentations, by Nancy Duarte

Presentation Zen Design: Simple Design Principles and Techniques to Enhance Your Presentations, by Garr Reynolds

Confessions of a Public Speaker, by Scott Berkun

The Naked Presenter: Delivering Powerful Presentations With or Without Slides, by Garr Reynolds