Personaly i found abcl a bad experience.
Thoughts on ecl & clisp ?
sbcl works nice & fine. But i’t’s the only lisp implementation i know.
There are good books on racket-scheme & chez-cheme.
The only book i know for lisp is, “Common lisp , a gentle introduction to symbolic computing”.
specifically, what is the diff between SBCL repl experience and CCL?
Without additional packages, the sbcl repl doesn’t support history nor sensible editing.
The best REPL is Emacs/Sly, anyways.