You have finally made it to the end of the path! As you have discovered, a lot of material was covered in this tutorial. Both AutoLISP concepts and VLISP operations have been introduced. The ÔÇťgarden path revisitedÔÇŁ was designed to give you a sampling of many topics and concepts. You might be interested in more information. The following is a brief bibliography of some common LISP and AutoLISP books.