Engineering tribology is a subfield of mechanical engineering and it also has elements of material sciences. It is concerned with the topics like wear, lubrication and friction. It studies the changes and differences which occur in bodies when they interact while being in motion. The aim of this text is to provide students with the basic concepts of engineering tribology. It is complied in such a way that it gives in-depth knowledge of the fundamentals of this subject to the students. Some of the diverse topics covered in this book address the varied branches that fall under this category. This textbook, with its detailed analyses and data, will prove immensely beneficial to students involved in this area at various levels.