"The C++ Standard Library" provides a detailed overview of the C++ Standard Library, including C++23.
The C++ Standard Library aims to provide you with a concise reference of the C++ standard library in about 350 pages. This book assumes that you are familiar with C++. If so, you will get the most benefit from this book. If C++ is new to you, you should start with a textbook about core C++. Once you have mastered a textbook about the core language, you can make your next big step by reading my book.