Janab’s Key To The Law of Evidence, Advocacy and Professional Ethics, written by Justice Datuk Dr Hj. Hamid Sultan Bin Abu Backer is now successfully in its 5th edition updated up to the third quarter of 2018. It is a must for all legal practitioners, whether in criminal or civil practice and equally for all law lecturers and students. A mastery of this subject is indispensable for any advocate.