The book it answers, "The C Programming Language", is one that every C programmer probably owns and with good reason. This answer guide is a necessary complement to those of us who are curious about the authors' solutions.
Maybe you need the extra explanations; I know I did at times, if only to clarify or validate my thought processes. If you have a professor using "The C Progamming Language" as the primary textbook, you won't need this book. However, if you're going it alone, it's a good complement to self-study because it will engage you in some rational dialogue about the solution methodology.
That's the final star; if the book discussed rationale a bit more, it would merit the fifth star.

This book contains solutions to all the questions and exercises in the K&R C second edition. If you can figure everything out easily, then you don't need this book. If you want to cheat or need some help, get this book. I have it as a reference and to show my students.

Where was this book when I was struggling with the C language. In my opinion, this should not be a seperate book, but a part of the book, "The C Programming Language" by Kernighan and Ritchie.
At last students of C can work through the exercises in "The C Programming Language" and then turn to this book to make sure they are on the right track with the answers.
5 stars! Buy it today!