Jeff Corwin is an American animal and nature conservationist, best known as host and executive producer of the Animal Planet cable channel television programs, The Jeff Corwin Experience and Corwin's Quest, and the currently playing Ocean Mysteries on ABC. Corwin has authored previous works including 100 Heartbeats, which investigates the plight of the plant's most endangered species and the conservation heroes trying to save them. Zoologist James Kavanagh has researched and written more than 450 publications pertaining to wildlife observation and outdoor recreation. His unique talent is in taking complex information and synthesizing the salient points to make knowledge about nature and the outdoors more accessible to novices, and to present quick, portable reference information for more experienced wildlife and outdoor enthusiasts. His books have sold more than 5 million copies worldwide.