Paradigms of Artificial Intelligence Programming:
Case Studies in Common Lisp. By Peter Norvig (1992)

ANSI Common Lisp
by Paul Graham (1996) combines an introduction to Lisp programming, and a convenient, up-to-date reference manual for ANSI Common Lisp.

Common Lisp: An Interactive Approach
by Stuart Shapiro (1992)

Lisp, 3rd ed.
By Patrick Winston and Berthold Horn (1989)

On Lisp
By Paul Graham (1994) is a comprehensive study of advanced Lisp techniques, with bottom-up programming as the unifying theme. It gives the first complete description of macros and macro applications. The book also covers important subjects related to bottom-up programming, including functional programming, rapid prototyping, interactive development, and embedded languages.Download as PDF.

Best Lisp Books
A variety of books on Common Lisp programming and AI, personally chosen by an experienced developer.

Object-Oriented Common LISP
Stephen Slade (1998). This is probably the best book available on actually using a Common Lisp environment for something other than AI programming.

Common Lisp: A Gentle Introduction to Symbolic Computation
This book provides a very good introduction to the Lisp programming language for beginners. Even if you have never before programmed in any language you will be able to use this book. Although it is aimed at beginners it covers all relevant Lisp topics quite thoroughly. The entire book is online and can be downloaded in PDF format.

Successful Lisp
This book provides an overview of Common Lisp for the working programmer. It includes discussion and examples of advanced constructs for iteration, error handling, object oriented programming, graphical user interfaces, and threading. The entire book is available online!

The Common Lisp Cookbook
A collaborative project that aims to provide for Common Lisp something similar to the Perl Cookbook published by O'Reilly.

ALU: Lisp Books
A bibliography of Lisp books from the Association of Lisp Users