The best way to learn any programming language is to create good programs in it. C is not an exception to this rule. Once you decide to write any program, you will find that there are always at least two ways to write it. So, you need to find out whether you have chosen the best way to implement your program. That's where you will find this book useful. This book contains solutions to all the exercises present in Let Us C 21st Edition. If you learn language elements from Let Us C, write programs for the problems given in the exercises and then cross-check your answers with solutions given in this book, you will be well on your way to becoming a skilled C programmer. I am sure you will appreciate this learning path, like the millions of students and professionals who have followed it over the years.