Introduction with a Brief Historical Survey.- Preliminaries.- G -Metric Spaces.- Basic Fixed Point Results in the Setting of G -Metric Spaces.- Fixed Point Theorems in Partially Ordered G -Metric Spaces.- Further Fixed Point Results on G -Metric Spaces.- Fixed Point Theorems via Admissible Mappings.- New Approaches to Fixed Point Results on G -Metric Spaces.- Expansive Mappings.- Reconstruction of G - G* -Metrics.- Multidimensional Fixed Point Theorems on G -Metric Spaces.- Recent Motivating Fixed Point Theory.