With the help of many real-life examples, this book will help you improve your scuba diving air consumption, leading to longer dive times, more relaxing dives and a happier dive buddy.Why do you need a book about how to improve your air consumption for scuba diving?* If you regularly get back on the boat first, second, third or fourth and have to wait around for all the other divers, then this book is for you.* If you find yourself stressing out about the amount of ...