What a great book!
If you already give presentations, talks and trainings then this is definitely a book for you. If you want to begin to give presentations, talks and trainings then this is a book for you. Basically, read it, it's brilliant.
It breaks presenting and training down into its component parts and gives powerful, yet simple techniques and exercises that will improve your skills and develop some new ones. After reading this book you will be able to handle anything that may happen in a training or presentation will confidence and aplomb.
I have used the suggestions and techniques myself and I know that they work - you will too if you give this book a try. The only drawback is that some of the exercises need group participation.
Get the book and give it a go.