Have a read of this pdf, it tells you all the modules and breaks down what it in each and to what level you need to study.
Exam fees, dates, application forms are in the Personnel Licensing section the caa website (see my second link below).
http://www.easa.europa.eu/doc/Regula...003_Part66.pdf
http://www.caa.co.uk/default.aspx?catid=177&pagetype=68
