Blackbirch Kids Visual Reference of the United States cover Blackbirch Kids Visual Reference of the World cover Cities of the United States, ed. 6 cover Cities of the World, ed. 6 cover Countries and Their Cultures cover Countries of the World and Their Leaders Yearbook 2007 cover Encyclopedia of Emerging Markets cover Encyclopedia of Food and Culture cover Encyclopedia of Latin American History and Culture, ed. 2 cover Encyclopedia of World Cultures: Supplement cover Geo-Data: The World Geographical Encyclopedia, ed. 3 cover Junior Worldmark Encyclopedia of Foods and Recipes of the World cover Junior Worldmark Encyclopedia of Physical Geography cover Junior Worldmark Encyclopedia of World Cities cover Junior Worldmark Encyclopedia of World Holidays cover Junior Worldmark Encyclopedia of the Canadian Provinces, ed. 5 cover Junior Worldmark Encyclopedia of the Mexican States, ed. 2 cover Junior Worldmark Encyclopedia of the Nations, ed. 5 cover Junior Worldmark Encyclopedia of the States, ed. 4 cover Junior Worldmark Encyclopedia of the States, ed. 5 cover Middle East Conflict, ed. 2 cover New Encyclopedia of Africa, ed. 2 cover Terrorism Reference Library cover UXL Encyclopedia of World Mythology cover Worldmark Encyclopedia of Cultures and Daily Life, ed. 3 cover Worldmark Encyclopedia of National Economies cover Worldmark Encyclopedia of the Nations, ed. 12 cover Worldmark Encyclopedia of the Nations, ed. 14 cover Worldmark Encyclopedia of the States, ed. 8 cover Worldmark Encyclopedia of the States, ed. 7 cover