Includes bibliographica references (page 32) and index.
Summary
"Explores the roles of sharks in ocean ecosystems, including sharks' importance to ecosystems, threats to shark populations, and conservation efforts. Features sidebars, two infographics, and a "That's Amazing!" special feature"-- Provided by publisher.
Contents
The great hunter -- A predator people need -- Sharks at risk -- Diving with sharks -- Saving sharks.
