http://blogs.technet.com/b/bulentozkir/archive/2011/10/13/how-to-perform-an-upgrade-from-microsoft-office-sharepoint-server-2007-to-sharepoint-server-2010.aspxThis book is designed to guide administrators and IT professionals through the process of upgrading to Microsoft SharePoint Server 2010. Download link: http://www.microsoft.com/download/en/details.aspx?id=3837en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)