The official handbook of the United States government, presenting information on executive, legislative, and judicial agencies, as well as descriptions of boards, commissions, committees, and international organizations in which the United States participates.

As the official handbook of the Federal Government, this manual provides comprehensive information on quasi-official agencies, international organizations in which the US participates, and boards, commissions and committees.

Describes the major departments and agencies of the federal government and lists their officials.

The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Includes directories of air and highway carriers.