The Busy Coder’s Guide to Android Development, and The Busy Coder’s Guide to Advanced Android Development. It is part of a set of three books that can be purchased online for $USD 40. See the Commonsware web page for all three books. In addition, the third book is a series of tutorials on specific topics: Android Programming Tutorials
These books generally don't make use of the Eclipse outer environment, but the source code can easily be ported into the Eclipse environtment.
If you're going to use the iPhone, I'd recommend Beginning iPhone 4 Development, byJeff LaMarche, Jack Nutting and David Mark, which can be purchased electronically, right off the Apress website. It is probably helpful to get the second book they've written as well, More iPhone 4 Development: Further Explorations of the iOS SDK.