Bob McFarlane 
Autodesk Inventor Exercises [PDF ebook] 
for Autodesk(R) Inventor(R) and Other Feature-Based Modelling Software

This practical resource provides a series of Inventor(R) exercises covering several topics, including: sketches part models assemblies drawing layouts presentations sheet metal design welding for users with some familiarity with Autodesk(R) Inventor, or other similar feature-based modelling software such as Solid Works (R), CATIA (R), Pro/ENGINEER and Creo Parametric, and who want to become proficient. Exercises are set out in a structured way and are suitable for releases of Inventor from versions 7 to 13.