A Short Summary Textbook on Geographic Information Science : A must-read book for all geo lovers!

A must-read book for all geo lovers!Geographic Information enables us to find answers to questions about the world around us about where things are and how and why they got there.This short book gives a simplified summary of Geographic Information Technologies. Topics covered in this book include the definition history concepts process applications and other useful information about four main geospatial technologies. i.e.1.     Global Positioning System (GPS)2.     Remote sensing (RS)3.     Geographic Information System (GIS) and4.     Cartography.All the topics have been covered in a short and bullet point style with colourful diagrams to help the reader grasp the information quickly and easily.