C++ Book recommendation?

Question

Which book do you recommend for improving programming skills in C++ ?
The question does not ask for beginners books.

Answer 1

You may also try :

1) The C++ Programming Language
- Bjarne Stroustrup

2) Books on www.index-of.es/C++

Answer 2

Effective modern C++ by Scott Meyers. One of the best books imo (and trust me I've read quite a few of them), the book is about new features from C++11, and C++14.