For today only, my latest book, Android in Action, can be bought for 50% off from Manning. Use the code dotd0509au at checkout.
Also on sale today is another book of potential interest to Android developers: 50 Android Hacks. I wrote the chapter on creating nice-looking, iOS-style sectioned lists. So, if you've ever wanted to build those, now you can! I think the same code works for that book too. (A more generalized class that supports sectioned grids can be found on GitHub, and is explained in some blog posts.)