Plz Give ur suggestions How to Start Audit Final

Hi Friends, Plz   give ur valuable suggestions regarding how to start preparation for Audit  and which book/s to refer as the result of students in audit is very dismal this time so I don't want to take any risk in this subject as I don't have much practical experience .  And plz also put ur views regarding Audit study material is it worthwile to read.

My attempt is Nov 2011 

Plz  reply as soon as possible as this would be beneficial for many students .