Further Reading#
Books#
C++ Primer by Stanley Lippman, Josee Laioie and Barbara E. Moo
A Tour of C++ by Bjarne Stroustrup
Programming - Principles and Practise Using C++ by Bjarne Stroustrup
Websites#
C++ Reference https://en.cppreference.com/w/ contains a fairly exhaustive reference for C++ syntax
cplusplus.com https://www.cplusplus.com/reference/ has a handy look up reference for the classes and functions in the standard library.
Stack Overflow https://stackoverflow.com/ has an exhaustive list of questions and answers on C++ collected from users.