This book provides a comprehensive guide to mastering multithreading and concurrency concepts in C++. It covers the fundamentals of multithreading, hardware-level concepts, synchronization and communication between threads, debugging concurrent C++ applications, and best programming practices. The book also explores atomic operations and applying concurrency to distributed and GPGPU-based processing. By the end of the book, readers will be able to efficiently apply multithreading concepts while coding in C++.