The 42nd edition of the SIPRI Yearbook analyses developments in 2010 in Security and conflictsMilitary spending and armamentsNon-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. Individual purchasers of the print edition will also be able to access the Yearbook online. The activation code for online access is provided inside the book.