Little Book of Speaking Up: Find Your Voice in 5 Minutes a Day—with 65 Whole-Body Exercises. Having trouble being heard when giving presentations? Finding yourself lacking vocal confidence in conversations? You might not think of your voice as a muscle to be exercised, but after you've spent a few weeks doing one of these 65 five-minute exercise routines, you might find yourself surprised.(This book may contain a sharpie mark on the top or bottom edge and may show mild signs of shelfwear.)