SHARK Author:Thomas Helm He is immune to pain, virtually indestructable, and born with a complete set of murderous teeth. He has been perfectly designed for one purpose: to kill. This book, vividly illustrated with both drawings and photographs, examines this extraordinary form of animal life in all its immense fascination. This history is for all who want to unders... more »tand living creatures who share the earth with man, and often viciously compete with him for survival.« less