'Essentials of Oceanography' introduces you to the complexities and uncertainties involved in ocean use and the importance of oceans in nurturing and sustaining life. Using exclusive content from the National Geographic Society, this book illustrates the complexity and beauty of the ocean in a way that is both compelling and relatable. With the 9th Edition, best-selling authors Tom Garrison and Robert Ellis illustrate the interdisciplinary nature of marine science and give you the most dynamic and current introduction to oceanography available today.