Junior Worldmark Encyclopedia of Physical Geography
CDs, Super Glue, & Salsa: How Everyday Products Are Made
Reference Guide to World Literature
Geo-Data: World Geographic Encyclopedia
Great Depression and the New Deal Reference Library
Nonfiction Classics for Students
Industrial Revolution Reference Library
St. James Encyclopedia of Labor History Worldwide
The Gale Encyclopedia of the Unusual and Unexplained
UXL Encyclopedia of World Biography