Encyclopaedia Britannica 2009 book of the year - Sparks, Karen Jacobs; Encyclopaedia Britannica, Inc. (Chicago Encyclopaedia Britannica, Inc., 2009)
Keywords: Encyclopedias and dictionaries; Yearbooks; History, Modern -- 21st Century; Two thousand eight, A.D. -- Encyclopedias; Twenty-first century -- Encyclopedias; History -- 21st century -- Encyclopedias; Civilization -- 21st century -- Encyclopedias