This is the book that should be called the 3rd Edition. K.N. King’s C Programming: A Modern Approach (2nd Edition, 2008) covers C99 and is often mistaken for K&R 3rd Edition by novice searchers. It is thicker, more tutorial-based, and includes exercises K&R omitted.
There is often confusion between two different books by different authors. (the "K&R" book) by Kernighan and Ritchie only has two editions . The "Special Edition" and "3rd Edition" titles actually refer to The C++ Programming Language by Bjarne Stroustrup. Clarification of Editions The C Programming Language- Special Edition -3rd Edition
A: No. Any PDF claiming to be K&R 3rd Edition is a fake (malware) or a mislabeled 2nd Edition. Do not download it. This is the book that should be called the 3rd Edition
The book is divided into four main parts and several technical appendices: It is thicker, more tutorial-based, and includes exercises