The main objective of this book is to provide an information resource to researchers who need to become better acquainted with a specific topic of organobismuth chemistry or to obtain information related to a particular organobismuth compound. The material includes only stoichiometric bismuth compounds containing the Bi-C bond(s), which are covered through early 1999. With some exceptions, inorganic compounds, minerals, metal alloys, and non-stoichiometric materials are not included. All aspects of the subject related to organobismuth chemistry are comprehensively covered in a self-contained manner. However, because the book is focused on academic aspects, the references consequently include limited numbers of patents that are taken only where pertinent to the description. Chapter 1 serves as an introduction to bismuth as the element. In chapters 2 to 4, organobismuth compounds are classified according to the types of compounds and dealt in detail. Chapter 5 is devoted to the use of bismuth and derivatives in organic transformations. In these four chapters, brief to moderate descriptions for selected experimental procedures are included; they are intended to inform the readers of relevant protocols and should serve in preparative studies which are based on analogies. In the final chapter are collected the X-ray data of fundamental and/or structurally interesting organobismuth (III) and (V) compounds.