Erik Hazzard is the author of OpenLayers 2.10 Beginner's Guide, Packt Publishing. He has worked as the lead developer for a GIS-based company, has done contracting work with the design studio, Stamen, and has co-founded two start-ups. Erik is passionate about mapping, game development, and data visualization. In his free time, he enjoys writing and teaching, and can be found at https://vasir.net.