Green's Dictionary of Slang
A collection of this often reviled but endlessly fascinating area of the English language, these volumes cover slang from the past five centuries right up to the present day, from all the different English-speaking countries and regions.
2012 Honorable Mention(s)
International Encyclopedia of Political Science
With entries from leading international scholars from around the world, this eight-volume encyclopedia offers the widest possible coverage of key areas both regionally and globally.
Lifetime Achievement Award
Statistical Abstract of the United States
The Statistical Abstract of the United States, published since 1878, is the authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States.