In [Successful Lisp, how to understand and use CL](http://www.communitypicks.com/r/lisp/s/17592186045679-successful-lisp-how-to-understand-and-use-common http:/

In [Successful Lisp, how to understand and use CL](http://www.communitypicks.com/r/lisp/s/17592186045679-successful-lisp-how-to-understand-and-use-common http://www.communitypicks.com/r/lisp/s/17592186045679-succes...) there is a chapter on debugging. Book's site, free dl: https://successful-lisp.blogspot.com https://successful-lisp.blogspot.com Also, it may not be necessary to master the most complicated machinery: compiling function by function gives lots of hints, and the very nice [log4cl](https://github.com/sharplispers/log4cl/ https://github.com/sharplispers/log4cl/) is handy.