Modified October 30, 2022

The ``tour'' is a quick (254 pages + index, historical information, etc.) tutorial overview of all of standard C++(language and standard library)at a moderately high level for people who already know C++ or at least are experienced programmers.It covers C++20 plus a few likely features of C++23.
Information from the publisher.
Available here:
If you are looking for anan introduction to programming for people who has never programmed before,considerProgramming -- Principles and Practice Using C++.That book is also be useful for people who have programmed a bit and want to improvetheir style and technique - or to simply learn modern C++.It is designed for classroom use, but written with an eye on self study.
Constructive comments and reports of errors are always welcome.