"Geography On File[trademark], 2007 Update" is an excellent way to keep users abreast of global changes. This useful supplement contains 30-40 black-and-white maps and a new cumulative index, allowing those who have recently purchased a complete edition of "Geography On File[trademark]" to keep the collection current. "The Geography On File[trademark], 2007 Update" is an indispensable tool for bringing older editions up to date but does not need to be ordered if the 2007 Edition is purchased.