If you like CLOS, be sure to look up "The Art of the Meta-Object Protocol." It Was written by people who were at PARC back in the day so were on the ground whe

If you like CLOS, be sure to look up "The Art of the Meta-Object Protocol." It Was written by people who were at PARC back in the day so were on the ground when Smalltalkish concepts were being developed and extended. But... it's focused on Lisp. It describes the thinking behind an implementation of OOP for Lisp, and along the process reveals parts of the mental journey to both Smalltalk and CLOS. https://en.m.wikipedia.org/wiki/The_Art_of_the_Metaobject_Protocol https://en.m.wikipedia.org/wiki/The_Art_of_the_Metaobject_Pr...