The World Book encyclopedia (2007 ed)

The "World Book" tradition of accuracy and reliability makes this the educational encyclopedia for your school or college library.

Information is presented in a clear and direct style; articles start with relatively basic information and advance in depth as they progress, making this an ideal tool for a wide range of reading abilities.

Since 2006 edition, there have been 2900 new or revised articles; 200 new or revised maps; 225 new photos and other illustrations; 212 new or revised table and charts; and, 4,890 pages revised.