This book not only tells you "Why stories are important", but also tells you "How you can use them". There are enough stories in this book to sustain your interest. I bet, it will be hard for you to gobble through the material. Take time to read the material to assimilate the wealth of information.
Will this book make you an overnight story teller? NO. Will this book put you on the right path towards improving your story telling skills? YES. The author persuades you to use stories to get the attention of audience. However, storytelling is an art. You'll need lots of practice to master it.
Author's website: http://www.annettesimmons.com/