The C++ Standard Library: A Tutorial and Reference

This is a book on STL (updated for C++ 11) is a classic, and actually very readable. Quite a lot for advanced users, but also not too dry!

http://www.amazon.co.uk/gp/product/0321623215/ref=pd_lpo_sbs...

I'd also recommend Zed Shaw's C The Hard Way, because although C++ is not C, getting good at C helps you understand C++ when it goes wrong.