I was checking out the Autodesk Store, last evening which contains all the learning materials related to Autodesk products like .,
AliasStudio
AutoCAD
AutoCAD Architecture
AutoCAD Civil 3D
AutoCAD Electrical
AutoCAD Land Desktop
AutoCAD LT
AutoCAD Map 3D
AutoCAD Mechanical
AutoCAD MEP
AutoCAD P&ID
AutoCAD Raster Design
Autodesk 3ds Max
Autodesk 3ds Max Design
Autodesk Inventor
Autodesk Inventor Professional
Autodesk MapGuide Enterprise
Autodesk MapGuide Studio
Autodesk Maya
Autodesk MotionBuilder
Autodesk NavisWorks
Autodesk Productstream
Autodesk Showcase
Autodesk Vault
Autodesk VIZ
mental ray Standalone
Revit Architecture
Revit MEP
I found a book on AutoCAD 201o and Autodesk Inventor 2010 which helps you from transitioning from 2009 product platform., a great book to purchase and increase your productivity
Autodesk Inventor 2010
Table of Content Sample Chapter

AutoCAD 2010
Table of Content Sample Chapter