This complete revision of Turro's classic text "Modern Molecular Photochemistry" presents a clearly written introduction to organic photochemistry and goes on to cover advanced and special topics. This title provides a complete revision of the author's classic text "Modern Molecular Photochemistry" published in 1991. It offers a clearly written introduction to organic photochemistry. It covers the methods for determining the mechanisms of organic photoreactions. It comprehensively describes the photochemistry of the basic functional groups of organic chemistry. It includes special topic chapters on supramolecule organic photochemistry, and the role of triplet and singlet molecular oxygen in organic photochemistry. A complete revision of Turro's classic text, "Modern Molecular Photochemistry", which has been the standard of the field for three decades, it also presents a clear introduction to organic chemistry and goes on to cover the mechanisms of organic photoreactions and the photochemistry of the basic functional groups of organic chemistry.