The definitive serial in the field. Content: Front cover; Advances in Heterocyclic Chemistry; Copyright page; Contents; Contributors; Preface; Chapter 1. Peri-Annulated Heterocyclic Systems. Part I; Chapter 2. Pyrazol-3-ones. Part III: Reactivity of the Ring Substituents; Chapter 3. Recent Progress in 1,2,4-Triazolo[1,5-a]pyrimidine Chemistry; Chapter 4. Organometallic Chemistry of Polypyridine Ligands III; Subject Index. Abstract: The definitive serial in the field