Go to this link to download free resources / ebooks:
on Itunes

Other direct links to free items:
http://www.cadlearning.com/products/ebooks/autocad-2014-new-features/
http://itunes.apple.com/us/book/reality-capture-autodesk-recap/id643288491
http://www.cadlearning.com/products/ebooks/revit-architecture-2014-new-features/

Heads up: