The clarified ruling of mistakes done in salat

This book discusses many mistakes that are commonly commited by praying Muslims. The authenticity of some of which is not established; on the contrary they are mere innovations. And others are some optional or obligatory acts that are not done in their proper positions or in the appropriate manner. No doubt that plotting away false beliefs and miconceptions from peoples' minds and hearts by establishing truth instead, is one of the greatest paths of calling to that which is good [i.e. calling to Allâh].