Landmark Legislation, 1774-2012: Major U.S. Acts and Treaties
Explorers in the 20th and 21st Centuries: From Auguste Piccard to James Cameron
Re-Framers: 170 Eccentric, Visionary, and Patriotic Proposals to Rewrite the U.S. Constitution
Race and Racism in the United States
Scientists and Inventors of the Renaissance
The Reference Shelf: Arab Spring
Substance Abuse in America: A Documentary and Reference Guide