This book overviews the basics of pharmacognosy and phytochemistry from early principles through contemporary advances like molecular pharmacognosy. Following the overview, the contributors cover classification of crude drugs, complementary and alternative medical (CAM) systems, adulteration and evaluation of drugs, extraction methods of plant drugs, and ethnobotany and -pharmacology. Other key chapters include coverage of biotechnology, clinical pharmacognosy, analytical techniques for quality control, and molecular pharmacognosy.