"Let Us C" by Yashavant Kanetkar is one of the most trusted and widely recommended books for learning the C programming language. It introduces programming concepts in a simple, step-by-step manner, making it perfect for beginners as well as professionals. The book covers basics to advanced topics including data types, operators, control structures, functions, arrays, pointers, structures, file handling, and dynamic memory allocation. With clear explanations, real-world examples, and exercises at the end of each chapter, Let Us C is a complete guide to mastering the fundamentals of C programming.