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