The ABC's of AutoLISP

Personally this book is still a part of my library at work. I use it for reference often. You need a good basic knowledge of autocad to follow it well. If not, you have no business programming Autocad. Otherwise an excellent first book for anyone wanting to learn how to manipulate Autocad. I only gave it four stars because I expected additional ABC's with the progression of Autocad but Mr. Omura fell out of site since Ver. 10. Very unfortunate, I would have been a loyal reader.