The fourth edition continues to emphasize interrelationships of body organ systems, homeostasis, and complementarity of structure and function. The retouched art and new pedagogical features reflect the textbook's recent induction into the digital age. Brand new to this edition are the student study tips<-->creative ways to cope with the huge volume of information presented. The CD-ROM is an animated interactive study tool with case studies and images. Annotation c. by Book News, Inc., Portland, Or.