1. Google C152 POH (Pilot Operating Handbook)
2. Download resultant .pdf file
3. Read the
thing either in soft copy or get it printed into hard copy!!!
4. Go to the Australian regulator's (CASA) web site and down load their "Single Engine Endorsement Engineering Paper" - print it and do it yourself.
Its not a big book and they can only ask questions from it.
CASA paper will cover everything you need.
Lastly - its a basic fixed pitch/undercarriage, gravity fed fuel system aeroplane - nothing complicated about it!!!