Speaking of programming languages... Just saw your profile and it reminded me of a book my mentor bequeathed to me which we both referred to as "the real blue

Speaking of programming languages... Just saw your profile and it reminded me of a book my mentor bequeathed to me which we both referred to as "the real blue book": Starting FORTH[0] Thanks for bringing back fond memories. 0 - https://www.goodreads.com/book/show/2297758.Starting_FORTH https://www.goodreads.com/book/show/2297758.Starting_FORTH