Best-selling author Claire A. Nivola has won multiple awards for her captivating books introducing historical figures to young audiences. In this critically acclaimed profile of noted oceanographer Sylvia Earle, listeners follow Sylvia as her childhood adventures in the Gulf of Mexico help inspire her life's work: discovering the secrets of ''the blue heart of the planet.'' ''Young explorers will be happy to dive into this biography of the renowned oceanographer.''- Kirkus Reviews, starred review