On Fri, 15 Jul 2016, Peter Olson wrote:

> I'm a fan of Donald Knuth as well. My funny story is that when I
> was in college, I got an offer from Addison-Wesley to preorder the
> seven volume set "The Art of Computer Programming" for the low. low
> price of $119. It's now more than 40 years later and volumes 5, 6,
> and 7 are still missing :-) I'm glad I didn't take the offer :)

wait a sec, besides that is a ridicolously low price just for the
volumes he has already written, AFAIK he is on schedule with the
initial writing plan, at least until present volume 4. please check it
yourself, last time I did I saw that he is absolutely on schedule.
But I don't exclude he may have been delayed just recently on vol.4

ciao