Whenever I see racket I like to point out their very awesome quick start guide:<p><a href="https://docs.racket-lang.org/quick/" rel="nofollow">https://docs.racket-lang.org/quick/</a><p>Also, relevant here is a quick build-your-own-language tutorial for racket at beautifulracket:<p><a href="http://beautifulracket.com/stacker/intro.html" rel="nofollow">http://beautifulracket.com/stacker/intro.html</a>