This workbook for entry level users of Autodesk's AutoCAD provides thirty lessons for practicing common tasks with this popular computer aided drafting application. Chapters provides step-by-step instructions complete with detailed illustrations and a collection of sample problems for practicing each operation. The volume includes a DVD-ROM containing a free thirty day trial of AutoCAD 2012 for the Windows operating system. Shrock is an official Autodesk author and has written several other works on the subject. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)