With a new editorship of three highly respected scientists, the third edition of this bestselling handbook continues to provide an authoritative and unique resource for those working and studying in the areas of photochemistry and photobiology. This edition uses the IUPAC glossary of terms for photochemistry as a guide in the structure of the contents. Leading experts offer enlightening contributions on traditional topics, current trends, and future directions. New and updated topics in this edition include photosensoring, photoimmunology, artificial photosynthetic systems, phototoxicity of drugs, and much more.