Polar Additions to Activated Alkenes and Alkynes. Stabilized nucleophiles with electron deficient alkenes and alkynes. Conjugate additions of reactive carbanions to activated alkenes and alkynes. Conjugate additions of carbon ligands to activated alkenes and alkynes mediated by Lewis acids. Organocuprates in the conjugate addition reaction. Asymmetric nucleophilic addition to electron deficient alkenes. Nucleophilic addition-electrophilic coupling with a carbanion intermediate. Addition of H-X reagents to alkenes and alkynes. Electrophilic addition of X-Y reagents to alkenes and alkynes. Electrophilic heteroatom cyclizations. Nucleophilic Aromatic Substitutions. Arene substitution via nucleophilic addition to electron deficient arenes. Nucleophilic coupling with aryl radicals. Nucleophilic coupling with arynes. Nucleophilic addition to arene-metal complexes. Polar Additions to Alkenes and Alkynes. Heteroatom nucleophiles with metal-activated alkenes and alkynes. Carbon nucleophiles with alkenes and alkynes. Nucleophiles with allyl-metal complexes. Nucleophiles with cationic pentadienyl-metal complexes. Carbon electrophiles with dienes and polyenes promoted by transition metals. Nonpolar Additions to Alkenes and Alkynes. Radical addition reactions. Radical cyclizations and sequential radical reactions. Vinyl substitutions with organopalladium intermediates. Carbometallation of alkenes and alkynes. Hydroformylation and related additions of carbon monoxide to alkenes and alkynes. Methylene and nonfunctionalized alkylidene transfer to form cyclopropanes. Formation and further transformations of 1,1-dihalocyclopropanes. Addition of ketocarbenes to alkenes, alkynes and aromatic systems. Intermolecular 1,3-dipolar cycloadditions. Intramolecular 1,3-dipolar cycloadditions. Author index. Subject index.