What are the best common lisp books?

Some popular Common Lisp books include "Practical Common Lisp" by Peter Seibel, "On Lisp" by Paul Graham, and "Common Lisp: A Gentle Introduction to Symbolic Computation" by David S. Touretzky. These books are well-regarded for their coverage of Common Lisp fundamentals and practical examples. Ultimately, the best book for you will depend on your learning style and goals.