You can download the latest version of Ubuntu via this link, http://www.ubuntu.com/download
Full Circle Magazine is a free publication and podcast for the Ubuntu community. It is published monthly and contains insightful articles. http://fullcirclemagazine.org/
Here is the link to the Ubuntu Manual project which provides documentation on using a Ubuntu system.
Local contact: Swift Staffing, 405 Frederick Rd, Suite 250, Catonsville, MD 21228; 410-788-7011, www.swiftstaffing.com