Android Unplugged Something to learn by
My only problem,, its dated info Lower price, then maybe
L Payne I liked this. I'm had an android phone for a while now, but there are gaps in what I know. This booklet has filled in some of them for me. It's also easy to read.
Great Starter Guide for the buck Most of these tips can be found online yet having them (most) in one place where I can always find it and reference it is great. Most of this tips are very handy and useful.