What standard of C++ should I learn in 2022? C++17 or C++14 or C++11? and what book should I use to learn that specific C++ standard? [closed]

What standard of C++ should I learn in 2022? C++17 or C++14 or C++11? and what book should I use to learn that specific C++ standard? Which is a better book to learn from the below options:

• A Tour of C++ (C++ In-Depth Series) by Bjarne Stroustrup
• The C++ Programming Language, 4th Edition by Bjarne Stroustrup