The proceedings of the 2nd SOHO Workshop published in this volume provide a concise overview of the most relevant aspects of mass supply and flows in the solar corona, focusing on: fine scale structures; loops and prominences; streamers; and coronal holes and solar wind. Each topic is introduced by three reviews - the first giving a summary of the status of relevant observations, the second illustrating the status of related theoretical work, and the third summarizing advances in the field to be expected as a result of future SOHO observations. The book also includes a number of specialized...