The Third Edition of this bestselling textbook has been fully revised and updated to include the latest developments in the field and still retains its accessible format to appeal to a broad range of students.

Now divided into five clear sections the book investigates the unique, complex and difficult problems that are posed by geographic information and together they build into a holistic understanding of the key principles of GIS.

This is the most current, authoritative and comprehensive treatment of the field, that goes from fundamental principles to the big picture of:

* GIS and the New World Order
* security, health and well-being
* digital differentiation in GIS consumption
* the core organizing role of GIS in Geography
* the greening of GIS
* grand challenges of GIScience
* science and explanation