Clearly and concisely written, but without undue brevity, and thorough in its coverage, this text will be a welcome addition to the medical curriculum. The chapters are clearly organized, with distinct highlighting of terms used throughout the text, followed by a definition and discussion. There are frequent drawings and other visual materials, all in color and clearly labeled. Sircar is at the U. College of Medical Sciences in Delhi, India, where he has taught medical physiology for over 20 years.