Changes...? help!

Hey...! 

I had planned on giving my IPCC exam in November 2011. But due to some problems, I couldn't attend the exams. 
So, I'll be giving them in May 2012. 

I would like to know what the changes in the subjects are, as I don't really wanna buy new separate books just for May!
Are there changes only in Tax or other subjects as well?! Anyway, please let me know the changes in all the subjects as soon as possible!

Thank you soo much in advance,

David.