Camptothecin is one of the most promising anticancer drugs of the twenty first century. It inhibits HIV replication in vitro and also shown to be effective in the complete remission of lungs, breast, uterine and cervical cancer. It has also got significant antianaemic, antileishmaniatic and antimalarial activity. Nothapodytes nimmoniana is the major source of camptothecin and has been widely exploited by researchers for procuring camptothecin because synthetic procedures are still not available for this natural product. The present book encompasses various important techniques prominently HPTLC for the quantification of camptothecin in Nothapodytes nimmoniana.The relevance of the contents of the book in the modern contemporary natural product research makes it center of attraction in the scientific world. The most interesting and fascinating aspect of the present book is that it revolves around the research work and research studies carried out on Nothapodytes nimmoniana. This very fact makes the book appropriate for students as well as researh scholars and academicians.