A compelling journey into the world of sharks and their kin, guided by Marty Snyderman, an underwater filmmaker, still photographer,author and teacher who has worked on numerous projects with sharks, rays and scientists that specialize in studying these animals. Chapter one of the DVD is a 75 minute-long visual treat that uses both stills and film footage to provide a fascinating overview of the natural history of sharks and their kin. Illustrated by stunning imagery and comprehensive articles chapter two provides a look into the natural history of 40 highlighted species. Chapter three provides viewers with tips for photographing and video taping sharks and rays, while chapter four is a brief visual overview of the diversity of the world of sharks and their kin.