Re-reading *Common Lisp: A Gentle Introduction to Symbolic Computation”. I believe I dismissed it too early in my first attempt as “too beginner-ish”.
However, after working my way through it I realize that I might have misunderstood Common Lisp all along, especially the “Symbolic” part of it. 😀
I have a printed copy of the revised edition, but the original edition is available for free as a download: