"Speak with Confidence: Powerful Presentations That INFORM, Inspire and Persuade" is a textbook by author Dianna Booher, published by McGraw-Hill Education in 2003. This trade paperback book focuses on training, business communication, meetings & presentations, and public speaking. With a total of 256 pages, it provides insights and strategies for individuals looking to enhance their communication skills and deliver impactful presentations in a business setting. The book covers essential topics such as speaker credibility, organizing content, and managing stage fright, making it a valuable resource for those seeking to improve their speaking abilities in a professional context.