This new volume of "Methods in Enzymology" continues the legacy of this premier serial by containing quality chapters authored by leaders in the field. The second of3 volumes covering Natural product biosynthesis by microorganisms and plants. This new volume continues the legacy of this premier serialContainsquality chapters authored by leaders in the field The second of3 volumes it has chapters on such topics as biological chlorination, bromination and iodination, and phylogenetic approaches to natural product structure prediction"