Download or read book Sea Otter Heroes written by Patricia Newman and published by Millbrook Press (Tm). This book was released on 2017 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Marine biologist Brent Hughes discovered a surprising connection between sea otters and sea grass at an estuary in northern California. Follow science in action as Hughes conducts the research that led to this major discovery"--Provided by publisher.