Resources for “Google Maps”
For more information about Google Maps, refer to the Google Maps API site at www.google.com/apis/maps. You also will need to go to that site to get a key, if you decide to sign up for the service.
A short book on the subject, called Pragmatic Google Maps, was written by Scott Davis and published by Pragmatic Programmers (pragmaticprogrammers.com). It contains a lot of good advice for working with Google Maps and puts much of the API documentation into perspective.