I In the Beginning.- 1 Introduction.- 2 Preliminaries.- II Sequential Programs.- 3 Deterministic Programs.- 4 Nondeterministic Programs.- III Parallel Programs.- 5 Disjoint Parallel Programs.- 6 Parallel Programs with Shared Variables.- 7 Parallel Programs with Synchronization.- IV Distributed Programs.- 8 Distributed Programs.- Appendices.- A Semantics.- B Axioms and Proof Rules.- C Proof Systems.- D Proof Outlines.- Author Index.- Symbol Index.