Bjarne Stroustrup, The C++ programming language
Erich Gamma, Design Patterns ←- advanced and important
Scott Meyers, Effective C++
Scott Meyers, More Effective C++ ←- very advanced
Scott Meyers, Effective STL ←- advanced
Pete Becker, C++ Standard Library Extensions ←- details new sutff of C++0x
Andrei Alexandrescu, Modern C++ Design, ←- advanced, esp. first two chapters very important.