Introduction. Ring Synthesis by Formation of One Bond. Ring Synthesis Involving Formation of Two Bonds: [4+1] Fragments. Ring Synthesis Involving Formation of Two Bonds: [3+2] Fragments. Ring Synthesis Which Involve Formation of Three or Four Bonds. Syntheses from Other Heterocycles. Aromatic Substitution Approaches to Synthesis. Syntheses of Specifically Substituted Imidazoles and Benzimidazoles. Appendix, Abbreviations and Acronyms. Index to Detailed Syntheses. Subject Index.