This book aims to help those young, and the young at heart to remember there's only so much we can control. Like if a big wave comes and knocks down your sand castle. What can you do? Its about knowing what things we can change and what things we can't, and not getting too upset about the things we can't control. By Focuing on what we can control, we can feel more calm and happy, even when the unexpecected waves come along.