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The best training book on Revit is by CADCIM and Prof Sham Tickoo
http://revitxperts.blogspot.in/
Books on Revit 2011,2012,2013, 2014 and Navisworks 2014
Autodesk Revit Architecture 2011/2012/2013/2014
Exploring Autodesk Revit Structure 2011/2012/2013/2014
Exploring Autodesk Revit MEP 2014
Exploring Autodesk Navisworks 2014
You can get an Exam copy or read evaluation chapters from www. cadcim.com/ sales@cadcim.com
Mike DOug