DotNetNuke Website +forums +blogs
The official DotNetNuke website contains a variety of informations on DotNetNuke as well as community forums where you can find valuable information and ask questions.
www.dotnetnuke.com
DotNetNuke Books
DotNetNuke has been the subject of many books, covering different aspects of the technology. The best book to start working with DotNetNuke is clearly "DotNetNuke User's Guide"
DotNetNuke books on Amazon
DNNCreative Magazine
DNNCreative is an online magazine devoted to DotNetNuke training. It contains over 500 videos covering every aspect of DotNetNuke.
www.dnncreative.com
DotNetNukeBlogs
To get the latest informations on DotNetNuke, DotNetNukeBlogs offer an aggregated feed of the most popular blogs about DotNetNuke.
www.dotnetnukeblogs.com
DotNetNuke Training
Official DotNetNuke training, free and paid training available.
http://www.dotnetnuke.com/Products/DotNetNukeTraining/tabid/1299/Default.aspx
DNNHero
Video tutorials for DotNetNuke.
http://www.dnnhero.com