Part 1 Modern computational and theoretical aspects of acetylene chemistry, Dietmar A. Plattner et al: electronic structures of acetylene and monoacetylenes; reactivities and molecular interactions of acetylenes; polyacetylenes. Part 2 Functionalized acetylenes in organic synthesis - the cases of the 1-cyano- and the 1-halogenacetylenes, Henning Hopf and Bernhard Witulski: synthesis and preparative use of cyanoacetylenes; synthesis and preparative use of 1-halogenacetylenes; experimental procedures. Part 3 Alkynyliodonium salts - electrophilic acetylene equivalents, Peter J. Stang: preparation and properties; characterization and structure; reactions and uses of alkynyliodonium salts; experimental procedures. Part 4 The chemistry of metal-alkyne complexes, Gagik G. Melikyan and Kenneth M. Nicholas: bonding and structure; complexes of novel alkynes; reactions of metal-alkyne complexes; special applications of metal-alkyne complexes; selected experimental procedures. Part 5 Organometallic cycloaddition reactions of acetylenes, Joseph A. Casalnuovo and Neil E. Schore: cycloadditions of acetylenes with Fischer carbenes; the Pauson-Khand reaction - cycloadditions of olefins, acetylenes and CO. Part 6 Phosphaalkynes - starting point for the synthesis of phosphorous-carbon cage compounds, Manfred Regitz et al: syntheses of phosphaalkynes; reactivity of phosphaalkynes; the history of phosphorous-carbon cage compounds from phosphaalkynes; synthesis of phosphorous-carbon cage compounds; outlook; experimental procedures. Part 7 The enediyne antibiotics, K.C. Nicolaou and Adrian L. Smith: the aromaticity era; the discovery of the enediyne antibiotics; theoretical and synthetic studies on the enediyne antibiotics; medical applications of the enediyne antibiotics. Part 8 Cyclic alkynes - preparation and properties, Rolf Gleiter and Roland Merger: synthesis of cyclic acetylenes; structural and spectroscopic properties; organic reactions of cyclic alkynes; reactions of cyclic alkynes with metal compounds; experimental procedures. Part 9 Macrocyclic homoconjugated polyacetylenes, Lawrence T. Scott and Mark J. Cooney: pericyclynes; "exploded" pericyclynes; homoconjugated mixed polyalkyne/diyne macrocycles; heterocyclic cognates of pericyclynes; experimental procedures. Part 10 Polyacetylene, Eric J. Ginsburg et al: syntheses and properties. Part 11 Acetylenic compounds as building blocks for high-spin molecules and molecular assemblies, Hiizu Iwamura and Kenji Matsuda: alkynyl compounds carrying unpaired electrons; molecular crystals of organic free radicals that carry alkynyl substituents; spin alignments in poly(phenylacetylenes) and poly(1,3-butadiynes); cyclotrimerization reaction of benzoylacetylenes in the presence of a secondary amine; experimental procedures. Part 12 Acetylenes in nanostructures, James K. Young and Jeffrey S. Moore: phenylacetylene dendrimers; phenylacetylene macrocycles; synthesis of sequence-(Part contents)