This eBook, The good parts of AWS by Daniel Vassallo and Josh Pschorr, ex AWS engineers is a must read if you are into cloud computing..
The authors have covered everything they know about AWS in this short eBook. Learn about the features you would be foolish not to use. The features for which you don't have to look at alternatives elsewhere.
Both Daniel and Josh have worked with AWS right from the times when it was without web console and offered only 3 services..
These ex AWS engineers even contributed in building small part of Amazon Web Services.
To learn more about the book, consider reading more over here