Mobile developers Lauren Darcey and Shane Conder have coauthored numerous books on Android development. Our latest books include Sams Teach Yourself Android Application Development in 24 Hours (3rd Edition), Introduction to Android Application Development: Android Essentials (4th Edition), and Advanced Android Application Development (4th Edition). Lauren and Shane run a boutique consulting firm specializing in the development of commercial-grade Android applications for smartphones, tablets, wearables (i.e. Google Glass), and more. They can be reached on Google+, their blog at androidbook.blogspot.com and on Twitter @androidwireless.