Both of our eBooks are FREE for download from Amazon this Wed, Thursday and Frida – April 29,30 and May 1. Both of these books are for beginners so if you are experienced in the hobby you’ll want to look for something else. These are for those who want to understand the technology, features and possibilities…again, at the beginner level. https://www.droneflyers.com/2015/04/free-ebooks-on-drones-3-days-only-wed-fri/