The 40th edition of the SIPRI Yearbook analyzes developments in 2008 in: - Security and conflicts - Military spending and armaments - Non-proliferation, arms control and disarmament The SIPRI Yearbook contains extensive annexes on the implementation of arms control and disarmament agreements and a chronology of events during the year in the area of security and arms control.About the Author: Stockholm International Peace Research Institute (SIPRI) was founded in 1966 to commemorate 150 years of unbroken peace in Sweden. Its task is to conduct scientific research into questions of conflict and cooperation of importance for international peace and security, in order to contribute to an understanding of the conditions for peaceful solutions of international conflicts and for a stable peace.