About Crystal Repots and BO's

Hi Frndz,

My regards to all u guyz out there. Am new to BO's. I came to know that BO's is a very gud reporting tool. Am from BW. So can any1 give me detailed information regarding what exactly does BO's deal with and Give me the idea of Crystal Reporting. It would be much helpfull if you can provide me pdf related to this.

Thanks in advance,

with regards,

Dubbu.