This book contains papers presented at the 2nd International Workshop on Mobile Geospatial Augmented Reality held in Quebec City, Quebec, Canada, from the 28-29th of August 2008. It brings together insights and ideas from the pre-eminent researchers in the field. It can serve as both a guide for experts in mobile geospatial augmented reality and as a detailed introduction for those entering the field. This book covers various aspects of mobile augmented reality and location-based computing, demonstrating the growing impact of geospatial technologies upon this topical area.