The gang of four, gamma et al, though not specific to c++ is simply the best. Particularly for ui, with so many classes to play with, it is a great help in design strategies. Alexandrescu modern c++ design is good too but I liked C++ Templates: The Complete Guide (David Vandevoorde, Nicolai M. Josuttis) more as it helped me for the daily usage more.
I liked meyers effective c++ too.