I'm also reminded of the title of Dorai Sitaram's book, Teach Yourself Scheme in Fixnum Days. It's a pretty good introduction to Scheme, but the implication is

I'm also reminded of the title of Dorai Sitaram's book, Teach Yourself Scheme in Fixnum Days. It's a pretty good introduction to Scheme, but the implication is that the concepts people work with in Scheme are very deep, and the skill ceiling is accordingly absurdly high.