This fully revised second edition of “Pharmacogonosy and Phytochemistry: A Comprehensive Approach” attempts to provide not only technical corrections, updates and clarifications in all chapters of the original book but also added new topics like serotaxonomical classification, markers, herbal excipients, novel herbal dosage forms, antioxidants in skin cosmetics, skin whitening (bleaching) agents, different chemical classes of cosmetic raw material, edible vaccines, ethanobotany, hallucinogenic plants, teratogenic plants, protection of Plant Variety and Farmers Right Act, 2001 (PPVFR Act), plant breeders' rights (PBR) or plant variety rights (PVR), Traditional Knowledge Digital Library (TKDL), ASU- DTAB, ASU- DCC, ASU-Pharmacopoeias, NMPB etc.This revised edition will be more lucid, palatable and will continue to appeal to students and professionals of natural product chemistry.