The Cannabis Science 8k filing relating to Rockbrook, Inc. acquisition states:

"On May 8, 2010 Cannabis Science, Inc.(the “Company”), entered into a share purchase agreement with Adam Pasquale whereby the Company acquired from Mr. Pasquale one hundred percent of the issued and outstanding capital stock of Rockbrook Inc. The purchase price for the shares was by the issuance of 400,000 restricted shares of the Company to Mr. Pasquale. This acquisition gives the Company ownership of Rockbrook Inc., a company with facilities currently growing and providing organic medical cannabis to patients with a physician’s recommendation and operating according to Colorado’s Amendment 20.

In addition, the Company has entered into a Management Agreement with Mr. Pasquale whereby he will act as the Production Manager for the Rockbrook Inc. facilities. The Company will compensate Mr. Pasqulae at a gross rate of $5,000 per month and a one-time issuance of 2 million restricted common shares of the Company."

You may view the complete 8k here:
http://www.secinfo.com/d1D3P1.r4r.htm

Current Rockbrook, Inc. website is: http://rockbrookinc.com