Discover the most outrageous aspects of the deep blue---from record-breaking depths to towering tsunamis, underwater giants to tiny sea creatures--along with ocean conservation challenges and what you can do to help.Dive into a world of aquatic mystery in this action-packed combination of science and adventure. Famed National Geographic Explorer Sylvia Earle leads readers on an in-depth tour of life beneath the waves. Come face-to-face with whales and sharks, learn about the newest and most hi-tech ocean gear and gadgets, experiment with hands-on activities, and join Earle as she recounts her most daring dives. Packed with fascinating tidbits, animal profiles, and up-to-date science, each chapter combines stunning photography with fun, accessible text. Perfect for curious kids, ocean lovers, young explorers, and the classroom. Extreme Ocean reveals the mystery, majesty, danger, and--above all--the importance of our ocean.