That's his reference book. It's not designed for systematic learning. It's designed as a reference, as in "cut-and-paste stuff". You want one of his other books, meant to take you from zero to literate in not just C++11 but programming in general: https://www.amazon.com/Programming-Principles-Practice-Using...
Programming: Principles and Practice Using C++, 2nd Ed., Bjarne Stroustrup https://www.amazon.com/Programming-Principles-Practice-Using...
C++ Primer, 5th Ed., Stanley Lippman https://www.amazon.com/Primer-5th-Stanley-B-Lippman/dp/03217...
For a very brief introduction:
A Tour of C++, Bjarne Stroustrup https://www.amazon.com/Tour-C-Depth/dp/0321958314/ref=sr_1_1...