The 1998 yearbook continues SIPRI's annual analyses of developments in global and regional major armed conflicts; in conflict prevention, management and resolution; in world military expenditure, arms production, arms transfers, nuclear, chemical and biological weapons; and in arms control and disarmament. Special studies in this volume include: * major armed conflicts * armed conflict prevention, management and resolution * multilateral peace missions in 1997 * regional studies of the Middle East peace process, Russia and the conflicts and peaceful settlement of disputes in its environment, and new security arrangements in Europe * world military expenditure and arms production * Russian military expenditure * the 100 largest arms-producing companies * military research and development * the trade in major conventional weapons * multilateral military-related export controls * nuclear, chemical and biological arms control * new nuclear weapon-free zones in South-East Asia and Africa * implementation of the Chemical Weapons Convention * conventional arms control * the ban on anti-personnel land-mines