Might not be exactly what you want but the pay-what-you-can (free to read) online book Beautiful Racket[0] is an amazing resource for learning how to build lang

Might not be exactly what you want but the pay-what-you-can (free to read) online book Beautiful Racket[0] is an amazing resource for learning how to build languages. In the words of Alan Kay, "Lisp isn't a language, it's a building material". The last project is implementing an extended version of BASIC that supports interop with Racket, so as imperative as it gets. [0] https://beautifulracket.com/ https://beautifulracket.com/