Effective Modern C++ by Scott Meyer is a good tour of new features in the language. I highly recommend it. It's maybe a little too in-the-weeds in some parts bu

Effective Modern C++ by Scott Meyer is a good tour of new features in the language. I highly recommend it. It's maybe a little too in-the-weeds in some parts but you can just skim those. It only goes up to C++14 but there's not all that much that's new in C++17. C++20 looks like it's going to be a bigger update, hopefully Scott will come out with a new revision of Effective C++ to address the changes.