Afterword
This book is, surely, not perfect. Hopefully, most of the mistakes in it were fixed with the help of many nice people who commented on the chapters as they were published on my blog.
Also, the book is terribly incomplete. Almost every chapter could be expanded by a factor of 2 or 3 with relevant details and concrete implementations of some of the general ideas that are presented, currently. But neither did I have the time to write those down nor, what’s much more important, anyone would have had the time to read them, in entirety. I believe I have put enough concrete examples with executable code to illustrate all the important concepts in each part. This is a great advantage of using Lisp for the book: the code is clear and compact enough ...