Campaigning for President in America, 1788-2016
The Roots and Consequences of 20th-Century Warfare: Conflicts That Shaped the Modern World
The Gun Debate: An Encyclopedia of Gun Rights & Gun Control in the United States
The CQ Press Guide to U.S. Elections
Encyclopedia of Historical Warrior Peoples & Modern Fighting Groups
Military Technology: Top Secret Clearance: Small Arms Up Close
Military Technology: Top Secret Clearance: Military Jets Up Close
Military Technology: Top Secret Clearance: Tanks of World War II Up Close
Military Technology: Top Secret Clearance: Modern Warships Up Close
Presidential Power: Documents Decoded
Diplomacy and the Making of World Politics
Illegal Immigration: A Reference Handbook
Cyber Warfare: A Reference Handbook
Border Disputes: A Global Encyclopedia
The Central Intelligence Agency: An Encyclopedia of Covert Ops, Intelligence Gathering, and Spies
Instruments of War: Weapons and Technologies That Have Changed History
9/11 and the War on Terror: A Documentary and Reference Guide