Dive to the depths with . . . MARINE BIOLOGISTS Discover a new kind of sea creature! Save a whale from a fishing net! Swim with the dolphins, seals, and sea lions! Marine biologists simply can't do their work cooped up in a lab--they need to be out in the ocean, diving among the creatures they study. Inside, meet some world experts in marine biology and find out why they love their adventure-filled jobs. Every book in the SCIENTISTS IN ACTION! series...