Thank you for the thorough reply. I do own another Felleisen text (Realm of Racket) that I do intend on reading. And I'm sure, since it's free, I will at least

Thank you for the thorough reply. I do own another Felleisen text (Realm of Racket) that I do intend on reading. And I'm sure, since it's free, I will at least look through HtDP.