We had to write a scheme like language interpreter in scheme in grad school. I found it very meta, but interesting.
Northeastern Prof Wand taught the class, a quick google reveals it was 3 book versions ago. Still teaching in Scheme though the book is 2009 (Racket).
http://www.eopl3.com
And the git source from the book (more useful with the book though...):
https://github.com/mwand/eopl3